List of orders and suborders included in classes

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

List of orders and suborders included in classes

See also the following files:
. Classification of prokaryotes (bacteria): Introduction
. Classification of classes

Note: A list of orders unassigned to a class is provided à the end of the file (click here)

Actinobacteria
Orders: Acidimicrobiales - Actinomycetales - Bifidobacteriales - Coriobacteriales - Euzebyales - Gaiellales - Nitriliruptorales - Rubrobacterales - Solirubrobacterales - Thermoleophilales
Suborders: "Acidimicrobineae" - Actinomycineae - Catenulisporineae - "Coriobacterineae" - Corynebacterineae - Frankineae - Glycomycineae - Jiangellineae - Micrococcineae - Micromonosporineae - Nitriliruptoridae - Propionibacterineae - Pseudonocardineae - "Rubrobacterineae" - Streptomycineae - Streptosporangineae

According to volume 5 of the second edition of the Bergey’s Manual of Systematic Bacteriology, the class Actinobacteria encompasses no suborder and sixteen orders:
Actinomycetales - "Actinopolysporales" - Bifidobacteriales - "Catenulisporales" - "Corynebacteriales" - "Frankiales" - "Glycomycetales" - "Jiangellales" - "Kineosporiales" - Micrococcales - "Micromonosporales" - "Propionibacteriales" - "Pseudonocardiales" - Streptomycetales - Streptosporangiales - Order XVI. Incertae sedis

Actinomycetes
Class not widely accepted by the community of microbiologists. The class Actinomycetes is illegitimate because it was proposed without the designation of a nomenclatural type.

Alphabacteria
Class not widely accepted by the community of microbiologists. The type order of the class is classified in the class Alphaproteobacteria.

Alphaproteobacteria
Orders: Caulobacterales - Kiloniellales - Kordiimonadales - Magnetococcales - "Parvularculales" - Rhizobiales - Rhodobacterales - Rhodospirillales - Rickettsiales - Sneathiellales - Sphingomonadales
Suborder: Caulobacterineae

Anaerolineae
Order: Anaerolineales

Anoxyphotobacteria
Class not widely accepted by the community of microbiologists. The type order of the class is classified in the class Alphaproteobacteria.

Aquificae
Order: Aquificales

Arabobacteria
Class not widely accepted by the community of microbiologists. The type order of the class is classified in the class Actinobacteria.

Archaeobacteria
Order: Methanobacteriales
Note: Archaeobacteria Murray 1988 is an earlier homotypic synonym of Methanobacteria Boone 2002.

Archaeoglobea
Class not widely accepted by the community of microbiologists. The class Archaeoglobea is illegitimate because type order "Archaeoglobales" Stetter 1989 is not validly published.

Archaeoglobi
Order: Archaeoglobales

Armatimonadia
Order: Armatimonadales

Arthrobacteria
Class not widely accepted by the community of microbiologists. The type order of the class is classified in the class Actinobacteria.

Bacilli
Orders: Bacillales - Lactobacillales

Bacteria
Class not widely accepted by the community of microbiologists. The class Bacteria is illegitimate because it was proposed without the designation of a nomenclatural type.

Bacteroidia
Orders: Bacteroidales

Betaproteobacteria
Orders: Burkholderiales - Hydrogenophilales - Methylophilales - Neisseriales - Nitrosomonadales - "Procabacteriales" - Rhodocyclales

Caldilineae
Order: Caldilineales

Caldisericia
Order: Caldisericales

Chlamydiae
Order: Chlamydiales

Chlorobacteria
Class not widely accepted by the community of microbiologists. The class Chlorobacteria is illegitimate because type order "Chloroflexales" is not validly published.

Chlorobea or "Chlorobia"
Order: Chlorobiales

Chloroflexia
Orders: Chloroflexales - Herpetosiphonales
Suborders: Chloroflexineae - Roseiflexineae

Chromatibacteria
Class not widely accepted by the community of microbiologists. The class Chromatibacteria is illegitimate because type order "Enterobacteriales" is not validly published.

Chroobacteria
Class not widely accepted by the community of microbiologists. The type order of the class is classified in the phylum "Cyanobacteria".

Chrysiogenetes
Order: Chrysiogenales

Chthonomonadetes
Order: Chthonomonadales

Clostridia
Orders: Clostridiales - Halanaerobiales - Natranaerobiales - Thermoanaerobacterales
Suborder: Eubacteriineae

Coriobacteriia
Order: Coriobacteriales

Crenarchaeota
Orders: Acidilobales - Cenarchaeales - Desulfurococcales - Sulfolobales - Thermoproteales

Cytophagia
Order: Cytophagales

Deferribacteres
Order: Deferribacterales

Dehalococcoidia
Order: Dehalococcoidales

Deinococci
Orders: Deinococcales - Thermales

Deltabacteria
Orders: Bdellovibrionales - Desulfarculales - Desulfobacterales - Desulfovibrionales - Desulfurellales - Desulfuromonadales - Myxococcales - Syntrophobacterales
Suborders: Cystobacterineae - Nannocystineae - Sorangiineae
Note: Deltabacteria Cavalier-Smith 2002 is an earlier homotypic synonym of Deltaproteobacteria Kuever et al. 2006.

Deltaproteobacteria
Orders: Bdellovibrionales - Desulfarculales - Desulfobacterales - Desulfovibrionales - Desulfurellales - Desulfuromonadales - Myxococcales - Syntrophobacterales
Suborders: Cystobacterineae - Nannocystineae - Sorangiineae
Note: Deltaproteobacteria Kuever et al. 2006 is a later homotypic synonym of Deltabacteria Cavalier-Smith 2002.

Dictyoglomia
Order: Dictyoglomales

Elusimicrobia
Order: Elusimicrobiales

Epsilobacteria
Class not widely accepted by the community of microbiologists. The class Epsilobacteria is illegitimate because type order "Aquificales" Reysenbach 2001 is not validly published.

Epsilonproteobacteria
Orders: Campylobacterales - Nautiliales

Erysipelotrichia
Order: Erysipelotrichales

Ferrobacteria
Class not widely accepted by the community of microbiologists. The type order of the class is classified in the class Deferribacteres.

Fibrobacteria
Order: Fibrobacterales

Fimbriimonadia
Order: Fimbriimonadales

Firmibacteria
Class not widely accepted by the community of microbiologists.

Flavobacteria
Order: Cytophagales

Flavobacteriia
Order: Flavobacteriales

Fusobacteriia
Order: Fusobacteriales

Gammaproteobacteria
Orders: Acidithiobacillales - Aeromonadales - Alteromonadales - Cardiobacteriales - Chromatiales - "Enterobacteriales" - Legionellales - Methylococcales - Oceanospirillales - Pasteurellales - Pseudomonadales - "Salinisphaerales" - Thiotrichales - "Vibrionales" - Xanthomonadales
Suborders: Pseudomonadineae

Gemmatimonadetes
Order: Gemmatimonadales

Gloeobacteria
Order: Gloeobacterales (Gloeobacterales Cavalier-Smith 2002 is illegitimate)

Hadobacteria
Class not widely accepted by the community of microbiologists. The class Epsilobacteria is illegitimate because the type order "Thermales" Rainey and Da Costa 2001 is not validly published.
The order ¤ Thermales Rainey and Da Costa 2002 (previously known as "Thermales" Rainey and Da Costa 2001) was validly published in the May 2002 issue of the IJSEM (Validation List n° 85).

Halobacteria
Order: Halobacteriales
Note: Halobacteria Grant et al. 2002 is a later homotypic synonym of Halomebacteria Cavalier-Smith 2002.

Halomebacteria
Order: Halobacteriales
Note: Halomebacteria Cavalier-Smith 2002 is an earlier homotypic synonym of Halobacteria Grant et al. 2002.

Holophagae
Order: Acanthopleuribacterales - Holophagales

Hormogoneae
Class not widely accepted by the community of microbiologists. The type order of the class is classified in the phylum "Cyanobacteria".

Ignavibacteria
Order: Ignavibacteriales

Ktedonobacteria
Order: Ktedonobacterales - Thermogemmatisporales

Lentisphaeria
Order: Lentisphaerales - Victivallales

Methanobacteria
Order: Methanobacteriales
Note: Methanobacteria Boone 2002 is a later homotypic synonym of Archaeobacteria Murray 1988.

Methanococci
Order: Methanococcales
Note: Methanococci Boone 2002 is a later homotypic synonym of Methanothermea Cavalier-Smith 2002.

"Methanomicrobia"
Orders: Methanocellales - Methanomicrobiales - Methanosarcinales

Methanopyri
Order: Methanopyrales

Methanothermea
Order: Methanococcales
Note: Methanothermea Cavalier-Smith 2002 is an earlier homotypic synonym of Methanococci Boone 2002.

Microtatobiotes
Class not widely accepted by the community of microbiologists. The class Microtatobiotes is illegitimate because it was proposed without the designation of a nomenclatural type.

Mollicutes
Orders: Acholeplasmatales - Anaeroplasmatales - Entomoplasmatales - Haloplasmatales - Mycoplasmatales - Order incertae sedis

Negativicutes
Order: Selenomonadales

Nitriliruptoria
Orders: Euzebyales - Nitriliruptorales

"Nitrospira"
Order: "Nitrospirales"

Oligosphaeria
Order: Oligosphaerales

Opitutae
Orders: Opitutales - Puniceicoccales

Oxyphotobacteria
Class not widely accepted by the community of microbiologists. The class Oxyphotobacteria is illegitimate because type order "Chroococcales" Gibbons and Murray is not validly published.
The order Chroococcales Cavalier-Smith was validly published in 2002. However, this order is illegitimate because its type genus "Chroococcus" is not validly published under the Rules of the Bacteriological Code (1990 Revision).

Photobacteria
Class not widely accepted by the community of microbiologists. The class Photobacteria is illegitimate because it was proposed without the designation of a nomenclatural type.

Phycisphaerae
Order: Phycisphaerales

Picrophilea
Class not widely accepted by the community of microbiologists. The type order of the class is classified in the class Thermoplasmata

Planctomycea or "Planctomycetacia"
Order: Planctomycetales

Proteobacteria
Class not widely accepted by the community of microbiologists. The class Proteobacteria is illegitimate because it was proposed without the designation of a nomenclatural type.

Protoarchaea
Order: Thermococcales
Note: Protoarchaea Cavalier-Smith 2002 is an earlier homotypic synonym of Thermococci Zillig and Reysenbach 2002.

Rubrobacteria
Order: Rubrobacterales

Schizomycetes
Class not widely accepted by the community of microbiologists. The class Schizomycetes is illegitimate because it was proposed without the designation of a nomenclatural type.

Scotobacteria
Class not widely accepted by the community of microbiologists. The class Scotobacteria is illegitimate because it was proposed without the designation of a nomenclatural type.

Sphingobacteriia
Order: Sphingobacteriales

Spirochaetes
Order: Spirochaetales

Streptomycetes
Class not widely accepted by the community of microbiologists. The type order of the class is classified in the class Actinobacteria.

Synergistia
Order: Synergistales

Teichobacteria
Class not widely accepted by the community of microbiologists.

Thermococci
Order: Thermococcales
Note: Thermococci Zillig and Reysenbach 2002 is a later homotypic synonym of Protoarchaea Cavalier-Smith 2002.

Thermodesulfobacteria
Order: Thermodesulfobacteriales

Thermoleophilia
Order: Solirubrobacterales - Thermoleophilales

Thermolithobacteria
Order: Thermolithobacterales

Thermomicrobia
Order: Sphaerobacterales - Thermomicrobiales
Suborders: "Sphaerobacterineae"

Thermoplasmata
Order: Thermoplasmatales

Thermoprotei
Orders: Acidilobales - Cenarchaeales - Desulfurococcales - Fervidicoccales - Sulfolobales - Thermoproteales

Thermotogae
Order: Thermotogales

Togobacteria
Class not widely accepted by the community of microbiologists. The class Togobacteria is illegitimate because the type order "Thermotogales" Huber and Stetter 1992. is not validly published.
The order Thermotogales Reysenbach 2002 (previously known as "Thermotogales" Huber and Stetter 1992) was validly published in the May 2002 issue of the IJSEM (Validation List n° 85).

Verrucomicrobiae
Order: Verrucomicrobiales

"Zetaproteobacteria"
Order: "Mariprofundales"

Orders unassigned to a class
Chroococcales (see the file Classification of Cyanobacteria) - Nostocales (see the file Classification of Cyanobacteria) - Oscillatoriales (see the file Classification of Cyanobacteria) - Pleurocapsales (see the file Classification of Cyanobacteria) - Prochlorales (see the file Classification of Cyanobacteria) - Stigonematales (see the file Classification of Cyanobacteria)

See also the following files:
. Classification of prokaryotes (bacteria): Introduction
. Classification of classes