J.P. Euzéby: List of Prokaryotic names with Standing in Nomenclature

Classification of genera
List A - C

See also the following files:
. Classification of prokaryotes (bacteria): Introduction
. Classification of genera list D - L
. Classification og genera list M - R
. Classification of genera list S - Z 

Abiotrophia
Family: Aerococcaceae - (List of genera included in the family)
Suborder:
Order: Lactobacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acanthopleuribacter
Family: Acanthopleuribacteraceae - (List of genera included in the family)
Suborder:
Order: Acanthopleuribacterales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Holophagae - (List of orders and suborders included in the class)
Division or phylum: "Acidobacteria" - (see Phylum "Acidobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acaricomes
Family: Micrococcaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acetanaerobacterium
Family: Ruminococcaceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acetatifactor
Family: Lachnospiraceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acetitomaculum
Family: Lachnospiraceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acetivibrio
Family: Ruminococcaceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acetoanaerobium
Family:
Suborder:
Order: Lactobacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acetobacter
Family: Acetobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodospirillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acetobacterium
Family: Eubacteriaceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acetofilamentum
Family: Bacteroidaceae - (List of genera included in the family)
Suborder:
Order: Bacteroidales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacteroidia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acetogenium
Family: Thermoanaerobacteraceae - (List of genera included in the family)
Suborder:
Order: Thermoanaerobacterales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acetohalobium
Family: Halobacteroidaceae - (List of genera included in the family)
Suborder:
Order: Halanaerobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acetomicrobium
Family: Bacteroidaceae - (List of genera included in the family)
Suborder:
Order: Bacteroidales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacteroidia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acetonema
Family: Veillonellaceae - (List of genera included in the family)
Suborder:
Order: Selenomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Negativicutes - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acetothermus
Family: Bacteroidaceae - (List of genera included in the family)
Suborder:
Order: Bacteroidales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacteroidia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acholeplasma
Family: Acholeplasmataceae - (List of genera included in the family)
Suborder:
Order: Acholeplasmatales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Mollicutes - (List of orders and suborders included in the class)
Division or phylum: "Tenericutes" - (see Phylum "Tenericutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Achromatium
Family: Thiotrichaceae - (List of genera included in the family)
Suborder:
Order: Thiotrichales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Achromobacter
Family: Alcaligenaceae - (List of genera included in the family)
Suborder:
Order: Burkholderiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acidaminobacter
Family:
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acidaminococcus
Family: Acidaminococcaceae - (List of genera included in the family)
Suborder:
Order: Selenomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Negativicutes - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acidianus
Family: Sulfolobaceae - (List of genera included in the family)
Suborder:
Order: Sulfolobales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Thermoprotei or Crenarchaeota - (List of orders and suborders included in the class)
Division or phylum: "Crenarchaeota" - (see Phylum "Crenarchaeota" in the file Classification of domains and phyla)
Domain or empire: "Archaea" - (see Domain "Archaea" in the file Classification of domains and phyla)

Acidicaldus
Family: Acetobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodospirillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acidicapsa
Family: Acidobacteriaceae - (List of genera included in the family)
Suborder:
Order: Acidobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Acidobacteria - (List of orders and suborders included in the class)
Division or phylum: "Acidobacteria" - (see Phylum "Acidobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acidiferrobacter
Family: Ectothiorhodospiraceae - (List of genera included in the family)
Suborder:
Order: Chromatiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acidilobus
Family: Acidilobaceae - (List of genera included in the family)
Suborder:
Order: Acidilobales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Thermoprotei or Crenarchaeota - (List of orders and suborders included in the class)
Division or phylum: "Crenarchaeota" - (see Phylum "Crenarchaeota" in the file Classification of domains and phyla)
Domain or empire: "Archaea" - (see Domain "Archaea" in the file Classification of domains and phyla)

Acidimicrobium
Family: Acidimicrobiaceae - (List of genera included in the family)
Suborder: "Acidimicrobineae" - (List of genera included in the suborder - List of families included in the suborder)
Order: Acidimicrobiales - (List of genera included in the order - List of families included in the order)
Subclass: Acidimicrobidae - (List of orders and suborders included in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acidiphilium
Family: Acetobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodospirillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acidiplasma
Family: Ferroplasmaceae - (List of genera included in the family)
Suborder:
Order: Thermoplasmatales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Thermoplasmata - (List of orders and suborders included in the class)
Division or phylum: "Euryarchaeota" - (see Phylum "Euryarchaeota" in the file Classification of domains and phyla)
Domain or empire: "Archaea" - (see Domain "Archaea" in the file Classification of domains and phyla)

Acidisoma
Family: Acetobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodospirillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acidisphaera
Family: Acetobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodospirillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aciditerrimonas
Family:
Suborder: "Acidimicrobineae" - (List of genera included in the suborder - List of families included in the suborder)
Order: Acidimicrobiales - (List of genera included in the order - List of families included in the order)
Subclass: Acidimicrobidae - (List of orders and suborders included in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acidithiobacillus
Family: Acidithiobacillaceae - (List of genera included in the family)
Suborder:
Order: Acidithiobacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acidobacterium
Family: Acidobacteriaceae - (List of genera included in the family)
Suborder:
Order: Acidobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Acidobacteria - (List of orders and suborders included in the class)
Division or phylum: "Acidobacteria" - (see Phylum "Acidobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acidocella
Family: Acetobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodospirillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acidomonas
Family: Acetobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodospirillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acidothermus
Family: Acidothermaceae - (List of genera included in the family)
Suborder: Frankineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acidovorax
Family: Comamonadaceae - (List of genera included in the family)
Suborder:
Order: Burkholderiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acinetobacter
Family: Moraxellaceae - (List of genera included in the family)
Suborder:
Order: Pseudomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Acrocarpospora
Family: Streptosporangiaceae - (List of genera included in the family)
Suborder: Streptosporangineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actibacter
Family: Flavobacteriaceae - (List of genera included in the family)
Suborder:
Order: Flavobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Flavobacteriia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actibacterium
Family: Rhodobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodobacterales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinaurispora
Family: Micromonosporaceae - (List of genera included in the family)
Suborder: Micromonosporineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinoallomurus
Family: Thermomonosporaceae - (List of genera included in the family)
Suborder: Streptosporangineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinoalloteichus
Family: Pseudonocardiaceae - (List of genera included in the family)
Suborder: Pseudonocardineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinobacillus
Family: Pasteurellaceae - (List of genera included in the family)
Suborder:
Order: Pasteurellales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinobaculum
Family: Actinomycetaceae - (List of genera included in the family)
Suborder: Actinomycineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinobispora
Family: Pseudonocardiaceae - (List of genera included in the family)
Suborder: Pseudonocardineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinocatenispora
Family: Micromonosporaceae - (List of genera included in the family)
Suborder: Micromonosporineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinocorallia
Family: Thermomonosporaceae - (List of genera included in the family)
Suborder: Streptosporangineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinokineospora
Family: Pseudonocardiaceae - (List of genera included in the family)
Suborder: Pseudonocardineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinomadura
Family: Thermomonosporaceae - (List of genera included in the family)
Suborder: Streptosporangineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinomyces
Family: Actinomycetaceae - (List of genera included in the family)
Suborder: Actinomycineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinomycetospora
Family: Pseudonocardiaceae - (List of genera included in the family)
Suborder: Pseudonocardineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinophytocola
Family: Pseudonocardiaceae - (List of genera included in the family)
Suborder: Pseudonocardineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinoplanes
Family: Micromonosporaceae - (List of genera included in the family)
Suborder: Micromonosporineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinopolymorpha
Family: Nocardioidaceae - (List of genera included in the family)
Suborder: Propionibacterineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinopolyspora
Family: Actinopolysporaceae - (List of genera included in the family)
Suborder: Actinopolysporineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinopycnidium
Family: Streptomycetaceae - (List of genera included in the family)
Suborder: Streptomycineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinospica
Family: Actinospicaceae - (List of genera included in the family)
Suborder: Catenulisporineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinosporangium
Family: Streptomycetaceae - (List of genera included in the family)
Suborder: Streptomycineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinosynnema
Family: Pseudonocardiaceae - (List of genera included in the family)
Suborder: Pseudonocardineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Actinotalea
Family: Cellulomonadaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Adhaeribacter
Family: Cytophagaceae - (List of genera included in the family)
Suborder:
Order: Cytophagales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Cytophagia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Adlercreutzia
Family: Coriobacteriaceae - (List of genera included in the family)
Suborder: "Coriobacterineae" - (List of genera included in the suborder - List of families included in the suborder)
Order: Coriobacteriales - (List of genera included in the order - List of families included in the order)
Subclass: Coriobacteridae - (List of orders and suborders included in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Advenella
Family: Alcaligenaceae - (List of genera included in the family)
Suborder:
Order: Burkholderiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aegyptianella
Family: Anaplasmataceae - (List of genera included in the family)
Suborder:
Order: Rickettsiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aequorivita
Family: Flavobacteriaceae - (List of genera included in the family)
Suborder:
Order: Flavobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Flavobacteriia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aeribacillus
Family: Bacillaceae - (List of genera included in the family)
Suborder:
Order: Bacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aeriscardovia
Family: Bifidobacteriaceae - (List of genera included in the family)
Suborder:
Order: Bifidobacteriales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aerococcus
Family: Aerococcaceae - (List of genera included in the family)
Suborder:
Order: Lactobacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aeromicrobium
Family: Nocardioidaceae - (List of genera included in the family)
Suborder: Propionibacterineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aeromonas
Family: Aeromonadaceae - (List of genera included in the family)
Suborder:
Order: Aeromonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aeropyrum
Family: Desulfurococcaceae - (List of genera included in the family)
Suborder:
Order: Desulfurococcales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Thermoprotei or Crenarchaeota - (List of orders and suborders included in the class)
Division or phylum: "Crenarchaeota" - (see Phylum "Crenarchaeota" in the file Classification of domains and phyla)
Domain or empire: "Archaea" - (see Domain "Archaea" in the file Classification of domains and phyla)

Aestuariibacter
Family: Alteromonadaceae - (List of genera included in the family)
Suborder:
Order: Alteromonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aestuariibaculum
Family: Flavobacteriaceae - (List of genera included in the family)
Suborder:
Order: Flavobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Flavobacteriia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aestuariicola
Family: Flavobacteriaceae - (List of genera included in the family)
Suborder:
Order: Flavobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Flavobacteriia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aestuariimicrobium
Family: Propionibacteriaceae - (List of genera included in the family)
Suborder: Propionibacterineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Afifella
Family: Rhodobiaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Afipia
Family: Bradyrhizobiaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Agaricicola
Family: Rhodobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodobacterales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Agarivorans
Family: Alteromonadaceae - (List of genera included in the family)
Suborder:
Order: Alteromonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aggregatibacter
Family: Pasteurellaceae - (List of genera included in the family)
Suborder:
Order: Pasteurellales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Agitococcus
Family: Carnobacteriaceae - (List of genera included in the family)
Suborder:
Order: Lactobacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Agreia
Family: Microbacteriaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Agrobacterium
Family: Rhizobiaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Agrococcus
Family: Microbacteriaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Agromonas
Family: Bradyrhizobiaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Agromyces
Family: Microbacteriaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Ahrensia
Family: Rhodobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodobacterales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aidingimonas
Family: Halomonadaceae - (List of genera included in the family)
Suborder:
Order: Oceanospirillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Akkermansia
Family: Akkermansiaceae - (List of genera included in the family)
Suborder:
Order: Verrucomicrobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Verrucomicrobiae - (List of orders and suborders included in the class)
Division or phylum: "Verrucomicrobia" - (see Phylum "Verrucomicrobia" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Albibacter
Family: Methylocystaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Albidiferax
Family: Comamonadaceae - (List of genera included in the family)
Suborder:
Order: Burkholderiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Albimonas
Family: Rhodobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodobacterales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Albidovulum
Family: Rhodobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodobacterales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alcaligenes
Family: Alcaligenaceae - (List of genera included in the family)
Suborder:
Order: Burkholderiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alcanivorax
Family: Alcanivoracaceae - (List of genera included in the family)
Suborder:
Order: Oceanospirillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Algibacter
Family: Flavobacteriaceae - (List of genera included in the family)
Suborder:
Order: Flavobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Flavobacteriia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Algicola
Family: Pseudoalteromonadaceae - (List of genera included in the family)
Suborder:
Order: Alteromonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Algimonas
Family: Hyphomonadaceae - (List of genera included in the family)
Suborder:
Order: Caulobacterales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Algiphilus
Family: Algiphilaceae - (List of genera included in the family)
Suborder:
Order: Xanthomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Algoriphagus
Family: Cyclobacteriaceae - (List of genera included in the family)
Suborder:
Order: Cytophagales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Cytophagia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aliagarivorans
Family: Alteromonadaceae - (List of genera included in the family)
Suborder:
Order: Alteromonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alicycliphilus
Family: Comamonadaceae - (List of genera included in the family)
Suborder:
Order: Burkholderiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alicyclobacillus
Family: Alicyclobacillaceae - (List of genera included in the family)
Suborder:
Order: Bacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aliidiomarina
Family: Idiomarinaceae - (List of genera included in the family)
Suborder:
Order: Alteromonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aliivibrio
Family: Vibrionaceae - (List of genera included in the family)
Suborder:
Order: "Vibrionales" - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alishewanella
Family: Alteromonadaceae - (List of genera included in the family)
Suborder:
Order: Alteromonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alistipes
Family: Rikenellaceae - (List of genera included in the family)
Suborder:
Order: Bacteroidales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacteroidia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alkalibacillus
Family: Bacillaceae - (List of genera included in the family)
Suborder:
Order: Bacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alkalibacter
Family: Eubacteriaceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alkalibacterium
Family: Carnobacteriaceae - (List of genera included in the family)
Suborder:
Order: Lactobacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alkalibaculum
Family: Eubacteriaceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alkaliflexus
Family: Marinilabiliaceae - (List of genera included in the family)
Suborder:
Order: Bacteroidales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacteroidia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alkalilimnicola
Family: Ectothiorhodospiraceae - (List of genera included in the family)
Suborder:
Order: Chromatiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alkalimonas
Family:
Suborder:
Order:
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alkaliphilus
Family: Clostridiaceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alkalispirillum
Family: Ectothiorhodospiraceae - (List of genera included in the family)
Suborder:
Order: Chromatiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alkalitalea
Family: Marinilabiliaceae - (List of genera included in the family)
Suborder:
Order: Bacteroidales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacteroidia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alkanibacter
Family:
Suborder:
Order: Xanthomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alkanindiges
Family: Moraxellaceae - (List of genera included in the family)
Suborder:
Order: Pseudomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Allisonella
Family: Veillonellaceae - (List of genera included in the family)
Suborder:
Order: Selenomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Negativicutes - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alloactinosynnema
Family: Pseudonocardiaceae - (List of genera included in the family)
Suborder: Pseudonocardineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Allobacillus
Family: Bacillaceae - (List of genera included in the family)
Suborder:
Order: Bacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Allobaculum
Family: Erysipelotrichaceae - (List of genera included in the family)
Suborder:
Order: Erysipelotrichales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Erysipelotrichia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Allocatelliglobosispora
Family: Micromonosporaceae - (List of genera included in the family)
Suborder: Micromonosporineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Allochromatium
Family: Chromatiaceae - (List of genera included in the family)
Suborder:
Order: Chromatiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Allofustis
Family: Carnobacteriaceae - (List of genera included in the family)
Suborder:
Order: Lactobacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alloiococcus
Family: Carnobacteriaceae - (List of genera included in the family)
Suborder:
Order: Lactobacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Allokutzneria
Family: Pseudonocardiaceae - (List of genera included in the family)
Suborder: Pseudonocardineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Allomonas
Family: Vibrionaceae - (List of genera included in the family)
Suborder:
Order: "Vibrionales" - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Allonocardiopsis
Family:
Suborder: Streptosporangineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alloprevotella
Family: Prevotellaceae - (List of genera included in the family)
Suborder:
Order: Bacteroidales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacteroidia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Allorhizobium
Family: Rhizobiaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alloscardovia
Family: Bifidobacteriaceae - (List of genera included in the family)
Suborder:
Order: Bifidobacteriales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alpinimonas
Family: Microbacteriaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Altererythrobacter
Family: Erythrobacteraceae - (List of genera included in the family)
Suborder:
Order: Sphingomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alteribacillus
Family: Bacillaceae - (List of genera included in the family)
Suborder:
Order: Bacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alterococcus
Family: Opitutaceae - (List of genera included in the family)
Suborder:
Order: Opitutales - (List of genera included in the order - List of families included in the order)
Subclass: 
Class: Opitutae - (List of orders and suborders included in the class)
Division or phylum: "Verrucomicrobia" - (see Phylum "Verrucomicrobia" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alteromonas
Family: Alteromonadaceae - (List of genera included in the family)
Suborder:
Order: Alteromonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Alysiella
Family: Neisseriaceae - (List of genera included in the family)
Suborder:
Order: Neisseriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Amantichitinum
Family: Neisseriaceae - (List of genera included in the family)
Suborder:
Order: Neisseriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Amaricoccus
Family: Rhodobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodobacterales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Ameyamaea
Family: Acetobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodospirillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aminiphilus
Family: Synergistaceae - (List of genera included in the family)
Suborder:
Order: Synergistales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Synergistia - (List of orders and suborders included in the class)
Division or phylum: "Synergistetes" - (see Phylum "Synergistetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aminobacter
Family: Phyllobacteriaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aminobacterium
Family: Synergistaceae - (List of genera included in the family)
Suborder:
Order: Synergistales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Synergistia - (List of orders and suborders included in the class)
Division or phylum: "Synergistetes" - (see Phylum "Synergistetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aminomonas
Family: Synergistaceae - (List of genera included in the family)
Suborder:
Order: Synergistales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Synergistia - (List of orders and suborders included in the class)
Division or phylum: "Synergistetes" - (see Phylum "Synergistetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Ammonifex
Family: Thermoanaerobacteraceae - (List of genera included in the family)
Suborder:
Order: Thermoanaerobacterales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Ammoniphilus
Family: Paenibacillaceae - (List of genera included in the family)
Suborder:
Order: Bacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Amnibacterium
Family: Microbacteriaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Amoebobacter
Family: Chromatiaceae - (List of genera included in the family)
Suborder:
Order: Chromatiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Amorphosporangium
Family: Micromonosporaceae - (List of genera included in the family)
Suborder: Micromonosporineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Amorphus
Family:
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Amphibacillus
Family: Bacillaceae - (List of genera included in the family)
Suborder:
Order: Bacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Amphritea
Family: Oceanospirillaceae - (List of genera included in the family)
Suborder:
Order: Oceanospirillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Ampullariella
Family: Micromonosporaceae - (List of genera included in the family)
Suborder: Micromonosporineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Amycolata
Family: Pseudonocardiaceae - (List of genera included in the family)
Suborder: Pseudonocardineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Amycolatopsis
Family: Pseudonocardiaceae - (List of genera included in the family)
Suborder: Pseudonocardineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Amycolicicoccus
Family: Mycobacteriaceae - (List of genera included in the family)
Suborder: Corynebacterineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaeroarcus
Family: Veillonellaceae - (List of genera included in the family)
Suborder:
Order: Selenomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Negativicutes - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerobacillus
Family: Bacillaceae - (List of genera included in the family)
Suborder:
Order: Bacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerobacter
Family: Clostridiaceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerobaculum
Family: Synergistaceae - (List of genera included in the family)
Suborder:
Order: Synergistales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Synergistia - (List of orders and suborders included in the class)
Division or phylum: "Synergistetes" - (see Phylum "Synergistetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerobiospirillum
Family: Succinivibrionaceae - (List of genera included in the family)
Suborder:
Order: Aeromonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerobranca
Family:
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerocella
Family: Rikenellaceae - (List of genera included in the family)
Suborder:
Order: Bacteroidales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacteroidia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerococcus
Family:
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerofilum
Family: Ruminococcaceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerofustis
Family: Eubacteriaceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaeroglobus
Family: Veillonellaceae - (List of genera included in the family)
Suborder:
Order: Selenomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Negativicutes - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerolinea
Family: Anaerolineaceae - (List of genera included in the family)
Suborder:
Order: Anaerolineales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Anaerolineae - (List of orders and suborders included in the class)
Division or phylum: "Chloroflexi" - (see Phylum "Chloroflexi" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaeromusa
Family: Veillonellaceae - (List of genera included in the family)
Suborder:
Order: Selenomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Negativicutes - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaeromyxobacter
Family: Cystobacteraceae - (List of genera included in the family)
Suborder: Cystobacterineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Myxococcales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Deltaproteobacteria or Deltabacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerophaga
Family: Marinilabiliaceae - (List of genera included in the family)
Suborder:
Order: Bacteroidales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacteroidia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaeroplasma
Family: Anaeroplasmataceae - (List of genera included in the family)
Suborder:
Order: Anaeroplasmatales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Mollicutes - (List of orders and suborders included in the class)
Division or phylum: "Tenericutes" - (see Phylum "Tenericutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerorhabdus
Family: Bacteroidaceae - (List of genera included in the family)
Suborder:
Order: Bacteroidales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacteroidia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerosalibacter
Family: Clostridiaceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerosinus
Family: Veillonellaceae - (List of genera included in the family)
Suborder:
Order: Selenomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Negativicutes - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerosphaera
Family: Peptostreptococcaceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerosporobacter
Family: Clostridiaceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerostipes
Family: Lachnospiraceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerotruncus
Family: Ruminococcaceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerovibrio
Family: Veillonellaceae - (List of genera included in the family)
Suborder:
Order: Selenomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Negativicutes - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerovirgula
Family:
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaerovorax
Family:
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anaplasma
Family: Anaplasmataceae - (List of genera included in the family)
Suborder:
Order: Rickettsiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Ancalochloris
Family: Chlorobiaceae - (List of genera included in the family)
Suborder:
Order: Chlorobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Chlorobea or "Chlorobia" - (List of orders and suborders included in the class)
Division or phylum: "Chlorobi" - (see Phylum "Chlorobi" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Ancalomicrobium
Family: Hyphomicrobiaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Ancylobacter
Family: Xanthobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anderseniella
Family: Rhodobiaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Andreprevotia
Family: Neisseriaceae - (List of genera included in the family)
Suborder:
Order: Neisseriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aneurinibacillus
Family: Paenibacillaceae - (List of genera included in the family)
Suborder:
Order: Bacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Angiococcus
Family: Myxococcaceae - (List of genera included in the family)
Suborder: Cystobacterineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Myxococcales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Deltaproteobacteria or Deltabacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Angulomicrobium
Family: Hyphomicrobiaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Angustibacter
Family: Kineosporiaceae - (List of genera included in the family)
Suborder: Kineosporiineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anoxybacillus
Family: Bacillaceae - (List of genera included in the family)
Suborder:
Order: Bacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Anoxynatronum
Family: Clostridiaceae - (List of genera included in the family)
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Antarctobacter
Family: Rhodobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodobacterales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aquabacter
Family: Hyphomicrobiaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aquabacterium
Family:
Suborder:
Order: Burkholderiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aquamicrobium
Family: Phyllobacteriaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aquaspirillum
Family: Neisseriaceae - (List of genera included in the family)
Suborder:
Order: Neisseriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aquicella
Family: Coxiellaceae - (List of genera included in the family)
Suborder:
Order: Legionellales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aquifex
Family: Aquificaceae - (List of genera included in the family)
Suborder:
Order: Aquificales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Aquificae - (List of orders and suborders included in the class)
Division or phylum: "Aquificae" - (see Phylum "Aquificae" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aquiflexum
Family: Cyclobacteriaceae - (List of genera included in the family)
Suborder:
Order: Cytophagales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Cytophagia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aquimarina
Family: Flavobacteriaceae - (List of genera included in the family)
Suborder:
Order: Flavobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Flavobacteriia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aquimonas
Family: Xanthomonadaceae - (List of genera included in the family)
Suborder:
Order: Xanthomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aquincola
Family:
Suborder:
Order: Burkholderiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aquipuribacter
Family: Intrasporangiaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aquisalibacillus
Family: Bacillaceae - (List of genera included in the family)
Suborder:
Order: Bacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aquisalimonas
Family: Ectothiorhodospiraceae - (List of genera included in the family)
Suborder:
Order: Chromatiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aquisphaera
Family: Planctomycetaceae - (List of genera included in the family)
Suborder:
Order: Planctomycetales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Planctomycea or "Planctomycetacia" - (List of orders and suborders included in the class)
Division or phylum: "Planctomycetes" or "Planctobacteria" - (see Phylum "Planctomycetes" or "Planctobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aquitalea
Family: Neisseriaceae - (List of genera included in the family)
Suborder:
Order: Neisseriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Arachnia
Family: Propionibacteriaceae - (List of genera included in the family)
Suborder: Propionibacterineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Arcanobacterium
Family: Actinomycetaceae - (List of genera included in the family)
Suborder: Actinomycineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Archaeoglobus
Family: Archaeoglobaceae - (List of genera included in the family)
Suborder:
Order: Archaeoglobales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Archaeoglobi - (List of orders and suborders included in the class)
Division or phylum: "Euryarchaeota" - (see Phylum "Euryarchaeota" in the file Classification of domains and phyla)
Domain or empire: "Archaea" - (see Domain "Archaea" in the file Classification of domains and phyla)

Archangium
Family: Cystobacteraceae - (List of genera included in the family)
Suborder: Cystobacterineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Myxococcales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Deltaproteobacteria or Deltabacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Arcicella
Family: Cytophagaceae - (List of genera included in the family)
Suborder:
Order: Cytophagales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Cytophagia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Arcobacter
Family: Campylobacteraceae - (List of genera included in the family)
Suborder:
Order: Campylobacterales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Epsilonproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Arcticibacter
Family: Sphingobacteriaceae - (List of genera included in the family)
Suborder:
Order: Sphingobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Sphingobacteriia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Arenibacter
Family: Flavobacteriaceae - (List of genera included in the family)
Suborder:
Order: Flavobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Flavobacteriia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Arenicella
Family:
Suborder:
Order:
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Arenimonas
Family: Xanthomonadaceae - (List of genera included in the family)
Suborder:
Order: Xanthomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Arhodomonas
Family: Ectothiorhodospiraceae - (List of genera included in the family)
Suborder:
Order: Chromatiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Armatimonas
Family: Armatimonadaceae - (List of genera included in the family)
Suborder:
Order: Armatimonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Armatimonadia - (List of orders and suborders included in the class)
Division or phylum: "Armatimonadetes" - (see Phylum "Armatimonadetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Arsenicicoccus
Family: Intrasporangiaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Arsenophonus
Family: Enterobacteriaceae - (List of genera included in the family)
Suborder:
Order: "Enterobacteriales" - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Arthrobacter
Family: Micrococcaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Asaccharobacter
Family: Coriobacteriaceae - (List of genera included in the family)
Suborder: "Coriobacterineae" - (List of genera included in the suborder - List of families included in the suborder)
Order: Coriobacteriales - (List of genera included in the order - List of families included in the order)
Subclass: Coriobacteridae - (List of orders and suborders included in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Asaia
Family: Acetobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodospirillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Asanoa
Family: Micromonosporaceae - (List of genera included in the family)
Suborder: Micromonosporineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aspromonas
Family: Xanthomonadaceae - (List of genera included in the family)
Suborder:
Order: Xanthomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Asteroleplasma
Family: Anaeroplasmataceae - (List of genera included in the family)
Suborder:
Order: Anaeroplasmatales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Mollicutes - (List of orders and suborders included in the class)
Division or phylum: "Tenericutes" - (see Phylum "Tenericutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Asticcacaulis
Family: Caulobacteraceae - (List of genera included in the family)
Suborder:
Order: Caulobacterales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Atopobacter
Family: Carnobacteriaceae - (List of genera included in the family)
Suborder:
Order: Lactobacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Atopobium
Family: Coriobacteriaceae - (List of genera included in the family)
Suborder: "Coriobacterineae" - (List of genera included in the suborder - List of families included in the suborder)
Order: Coriobacteriales - (List of genera included in the order - List of families included in the order)
Subclass: Coriobacteridae - (List of orders and suborders included in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Atopococcus
Family: Carnobacteriaceae - (List of genera included in the family)
Suborder:
Order: Lactobacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Atopostipes
Family: Carnobacteriaceae - (List of genera included in the family)
Suborder:
Order: Lactobacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aurantimonas
Family: "Aurantimonadaceae" - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Auraticoccus
Family: Propionibacteriaceae - (List of genera included in the family)
Suborder: Propionibacterineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aureibacter
Family: Flammeovirgaceae - (List of genera included in the family)
Suborder:
Order: Cytophagales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Cytophagia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aureicoccus
Family: Flavobacteriaceae - (List of genera included in the family)
Suborder:
Order: Flavobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Flavobacteriia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aureimonas
Family: "Aurantimonadaceae" - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aureispira
Family: Saprospiraceae - (List of genera included in the family)
Suborder:
Order: Sphingobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Sphingobacteriia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aureitalea
Family: Flavobacteriaceae - (List of genera included in the family)
Suborder:
Order: Flavobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Flavobacteriia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aureivirga
Family: Flavobacteriaceae - (List of genera included in the family)
Suborder:
Order: Flavobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Flavobacteriia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Aureobacterium
Family: Microbacteriaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Auritidibacter
Family: Micrococcaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Austwickia
Family: Dermatophilaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Avibacterium
Family: Pasteurellaceae - (List of genera included in the family)
Suborder:
Order: Pasteurellales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Azoarcus
Family: Rhodocyclaceae - (List of genera included in the family)
Suborder:
Order: Rhodocyclales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Azohydromonas
Family: Alcaligenaceae - (List of genera included in the family)
Suborder:
Order: Burkholderiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Azomonas
Family: Pseudomonadaceae - (List of genera included in the family)
Suborder:
Order: Pseudomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Azomonotrichon
Family: Pseudomonadaceae - (List of genera included in the family)
Suborder:
Order: Pseudomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Azonexus
Family: Rhodocyclaceae - (List of genera included in the family)
Suborder:
Order: Rhodocyclales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Azorhizobium
Family: Xanthobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Azorhizophilus
Family: Pseudomonadaceae - (List of genera included in the family)
Suborder:
Order: Pseudomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Azospira
Family: Rhodocyclaceae - (List of genera included in the family)
Suborder:
Order: Rhodocyclales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Azospirillum
Family: Rhodospirillaceae - (List of genera included in the family)
Suborder:
Order: Rhodospirillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Azotobacter
Family: Pseudomonadaceae - (List of genera included in the family)
Suborder:
Order: Pseudomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Azovibrio
Family: Rhodocyclaceae - (List of genera included in the family)
Suborder:
Order: Rhodocyclales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bacillus
Family: Bacillaceae - (List of genera included in the family)
Suborder:
Order: Bacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bacteriolyticum (illegitimate genus)
Family: Bacteriovoracaceae - (List of genera included in the family)
Suborder:
Order: Bdellovibrionales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Deltaproteobacteria or Deltabacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bacterionema
Family: Corynebacteriaceae - (List of genera included in the family)
Suborder: Corynebacterineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bacteriovorax
Family: Bacteriovoracaceae - (List of genera included in the family)
Suborder:
Order: Bdellovibrionales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Deltaproteobacteria or Deltabacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bacteroides
Family: Bacteroidaceae - (List of genera included in the family)
Suborder:
Order: Bacteroidales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacteroidia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bactoderma
Family: ?
Suborder: ?
Order: ?
Subclass: ?
Class: ?
Division or phylum: ?
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Balnearium
Family: Desulfurobacteriaceae - (List of genera included in the family)
Suborder:
Order: Aquificales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Aquificae - (List of orders and suborders included in the class)
Division or phylum: "Aquificae" - (see Phylum "Aquificae" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Balneatrix
Family: Oceanospirillaceae - (List of genera included in the family)
Suborder:
Order: Oceanospirillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Balneimonas
Family: Bradyrhizobiaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Balneola
Family: Chitinophagaceae - (List of genera included in the family)
Suborder:
Order: Sphingobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Sphingobacteriia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Barnesiella
Family: Porphyromonadaceae - (List of genera included in the family)
Suborder:
Order: Bacteroidales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacteroidia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Barrientosiimonas
Family: Dermacoccaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bartonella
Family: Bartonellaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Basfia
Family: Pasteurellaceae - (List of genera included in the family)
Suborder:
Order: Pasteurellales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bauldia
Family:
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bavariicoccus
Family: Enterococcaceae - (List of genera included in the family)
Suborder:
Order: Lactobacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bdellovibrio
Family: Bdellovibrionaceae - (List of genera included in the family)
Suborder:
Order: Bdellovibrionales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Deltaproteobacteria or Deltabacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Beggiatoa
Family: Thiotrichaceae - (List of genera included in the family)
Suborder:
Order: Thiotrichales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Beijerinckia
Family: Beijerinckiaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Belliella
Family: Cyclobacteriaceae - (List of genera included in the family)
Suborder:
Order: Cytophagales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Cytophagia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bellilinea
Family: Anaerolineaceae - (List of genera included in the family)
Suborder:
Order: Anaerolineales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Anaerolineae - (List of orders and suborders included in the class)
Division or phylum: "Chloroflexi" - (see Phylum "Chloroflexi" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Belnapia
Family: Acetobacteraceae - (List of genera included in the family)
Suborder:
Order: Rhodospirillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Beneckea
Family: Vibrionaceae - (List of genera included in the family)
Suborder:
Order: "Vibrionales" - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bergeriella
Family: Neisseriaceae - (List of genera included in the family)
Suborder:
Order: Neisseriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bergeyella
Family: Flavobacteriaceae - (List of genera included in the family)
Suborder:
Order: Flavobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Flavobacteriia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bermanella
Family: Oceanospirillaceae - (List of genera included in the family)
Suborder:
Order: Oceanospirillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Beutenbergia
Family: Beutenbergiaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bhargavaea
Family: Planococcaceae - (List of genera included in the family)
Suborder:
Order: Bacillales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Bacilli (or Firmibacteria) - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bibersteinia
Family: Pasteurellaceae - (List of genera included in the family)
Suborder:
Order: Pasteurellales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bifidobacterium
Family: Bifidobacteriaceae - (List of genera included in the family)
Suborder:
Order: Bifidobacteriales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bilophila
Family: Desulfovibrionaceae - (List of genera included in the family)
Suborder:
Order: Desulfovibrionales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Deltaproteobacteria or Deltabacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Biostraticola
Family: Enterobacteriaceae - (List of genera included in the family)
Suborder:
Order: "Enterobacteriales" - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bisgaardia
Family: Pasteurellaceae - (List of genera included in the family)
Suborder:
Order: Pasteurellales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bizionia
Family: Flavobacteriaceae - (List of genera included in the family)
Suborder:
Order: Flavobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Flavobacteriia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Blastobacter
Family: Bradyrhizobiaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Blastochloris
Family: Hyphomicrobiaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Blastococcus
Family: Geodermatophilaceae - (List of genera included in the family)
Suborder: Frankineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Blastomonas
Family: Sphingomonadaceae - (List of genera included in the family)
Suborder:
Order: Sphingomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Blastopirellula
Family: Planctomycetaceae - (List of genera included in the family)
Suborder:
Order: Planctomycetales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Planctomycea or "Planctomycetacia" - (List of orders and suborders included in the class)
Division or phylum: "Planctomycetes" or "Planctobacteria" - (see Phylum "Planctomycetes" or "Planctobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Blattabacterium
Family: Blattabacteriaceae - (List of genera included in the family)
Suborder:
Order: Flavobacteriales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Flavobacteriia - (List of orders and suborders included in the class)
Division or phylum: "Bacteroidetes" - (see Phylum "Bacteroidetes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Blautia
Family:
Suborder:
Order: Clostridiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Clostridia - (List of orders and suborders included in the class)
Division or phylum: "Firmicutes" - (see Phylum "Firmicutes" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bogoriella
Family: Bogoriellaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bordetella
Family: Alcaligenaceae - (List of genera included in the family)
Suborder:
Order: Burkholderiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Borrelia
Family: Spirochaetaceae - (List of genera included in the family)
Suborder:
Order: Spirochaetales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Spirochaetes - (List of orders and suborders included in the class)
Division or phylum: "Spirochaetes" or "Spirochaetae" - (see Phylum "Spirochaetes" or "Spirochaetae" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bosea
Family: Bradyrhizobiaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bowmanella
Family: Alteromonadaceae - (List of genera included in the family)
Suborder:
Order: Alteromonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Brachybacterium
Family: Dermabacteraceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Brachymonas
Family: Comamonadaceae - (List of genera included in the family)
Suborder:
Order: Burkholderiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Brachyspira
Family: Brachyspiraceae - (List of genera included in the family)
Suborder:
Order: Spirochaetales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Spirochaetes - (List of orders and suborders included in the class)
Division or phylum: "Spirochaetes" or "Spirochaetae" - (see Phylum "Spirochaetes" or "Spirochaetae" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Brackiella
Family: Alcaligenaceae - (List of genera included in the family)
Suborder:
Order: Burkholderiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Betaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Bradyrhizobium
Family: Bradyrhizobiaceae - (List of genera included in the family)
Suborder:
Order: Rhizobiales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Alphaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Branchiibius
Family: Dermacoccaceae - (List of genera included in the family)
Suborder: Micrococcineae - (List of genera included in the suborder - List of families included in the suborder)
Order: Actinomycetales - (List of genera included in the order - List of families included in the order)
Subclass: Actinobacteridae - (List of orders and suborders includes in the subclass)
Class: Actinobacteria - (List of orders and suborders included in the class)
Division or phylum: "Actinobacteria" - (see Phylum "Actinobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)

Branhamella
Family: Moraxellaceae - (List of genera included in the family)
Suborder:
Order: Pseudomonadales - (List of genera included in the order - List of families included in the order)
Subclass:
Class: Gammaproteobacteria - (List of orders and suborders included in the class)
Division or phylum: "Proteobacteria" - (see Phylum "Proteobacteria" in the file Classification of domains and phyla)
Domain or empire: "Bacteria" - (see Domain "Bacteria" in the file Classification of domains and phyla)