All names cited in the List of Prokaryotic names with Standing in Nomenclature: List A-C

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

All names cited in the List of Prokaryotic names with Standing in Nomenclature
List A - C

Introduction
List D - L
List M - R
List S - Z

¤ Abiotrophia Kawamura et al. 1995, gen. nov.
Abiotrophia adiacens (Bouvet et al. 1989) Kawamura et al. 1995, comb. nov.
Abiotrophia balaenopterae Lawson et al. 1999, sp. nov.
Abiotrophia defectiva (Bouvet et al. 1989) Kawamura et al. 1995, comb. nov.
Abiotrophia elegans Roggenkamp et al. 1999, sp. nov.

¤ Acanthopleuribacter Fukunaga et al. 2008, gen. nov.
Acanthopleuribacter pedis Fukunaga et al. 2008, sp. nov.

¤ Acanthopleuribacteraceae Fukunaga et al. 2008, fam. nov.

¤ Acanthopleuribacterales Fukunaga et al. 2008, ord. nov.

¤ Acaricomes Pukall et al. 2006, gen. nov.
Acaricomes phytoseiuli Pukall et al. 2006, sp. nov.

¤ Acetanaerobacterium Chen and Dong 2004, gen. nov.
Acetanaerobacterium elongatum Chen and Dong 2004, sp. nov.

¤ Acetitomaculum Greening and Leedle 1995, gen. nov.
Acetitomaculum ruminis Greening and Leedle 1995, sp. nov.

¤ Acetivibrio Patel et al. 1980, gen. nov.
Acetivibrio cellulolyticus Patel et al. 1980, sp. nov.
Acetivibrio cellulosolvens Khan et al. 1984, sp. nov.
Acetivibrio ethanolgignens Robinson and Ritchie 1981, sp. nov.
Acetivibrio multivorans Tanaka et al. 1992, sp. nov.

¤ Acetoanaerobium Sleat et al. 1985, gen. nov.
Acetoanaerobium noterae Sleat et al. 1985, sp. nov.

¤ Acetobacter Beijerinck 1898 (Approved Lists 1980), genus.
Acetobacter aceti (Pasteur 1864) Beijerinck 1898 (Approved Lists 1980), species.
Acetobacter aceti subsp. aceti (Pasteur 1864) De Ley and Frateur 1974 (Approved Lists 1980), subspecies.
Acetobacter aceti subsp. liquefaciens (Asai 1935) De Ley and Frateur 1974 (Approved Lists 1980), subspecies.
Acetobacter aceti subsp. orleanensis (Henneberg 1906) De Ley and Frateur 1974 (Approved Lists 1980), subspecies.
Acetobacter aceti subsp. xylinus corrig. (Brown 1886) De Ley and Frateur 1974 (Approved Lists 1980), subspecies.
Acetobacter cerevisiae Cleenwerck et al. 2002, sp. nov.
Acetobacter cibinongensis Lisdiyanti et al. 2002, sp. nov.
Acetobacter diazotrophicus Gillis et al. 1989, sp. nov.
Acetobacter estunensis (Carr 1958) Lisdiyanti et al. 2001, comb. nov.
Acetobacter europaeus Sievers et al. 1992, sp. nov.
Acetobacter fabarum Cleenwerck et al. 2008, sp. nov.
Acetobacter farinalis Tanasupawat et al. 2011, sp. nov.
Acetobacter ghanensis Cleenwerck et al. 2007, sp. nov.
Acetobacter hansenii Gosselé et al. 1983, sp. nov.
Acetobacter indonesiensis Lisdiyanti et al. 2001, sp. nov.
Acetobacter intermedius Boesch et al. 1998, sp. nov.
Acetobacter liquefaciens (Asai 1935) Gosselé et al. 1983, comb. nov.
Acetobacter liquefaciens (Asai 1935) Yamada and Tahara 1984, comb. nov.
Acetobacter lovaniensis (Frateur 1950) Lisdiyanti et al. 2001, comb. nov.
Acetobacter malorum Cleenwerck et al. 2002, sp. nov.
Acetobacter methanolicus Uhlig et al. 1986, sp. nov.
Acetobacter nitrogenifigens Dutta and Gachhui 2006, sp. nov.
Acetobacter oboediens Sokollek et al. 1998, sp. nov.
Acetobacter oeni Silva et al. 2006, sp. nov.
Acetobacter orientalis Lisdiyanti et al. 2002, sp. nov.
Acetobacter orleanensis (Henneberg 1906) Lisdiyanti et al. 2001, comb. nov.
Acetobacter pasteurianus (Hansen 1879) Beijerinck and Folpmers 1916 (Approved Lists 1980), species.
Acetobacter pasteurianus subsp. ascendens (Henneberg 1898) De Ley and Frateur 1974 (Approved Lists 1980), subspecies.
Acetobacter pasteurianus subsp. estunensis (Carr 1958) De Ley and Frateur 1974 (Approved Lists 1980), subspecies.
Acetobacter pasteurianus subsp. lovaniensis (Frateur 1950) De Ley and Frateur 1974 (Approved Lists 1980), subspecies.
Acetobacter pasteurianus subsp. paradoxus (Frateur 1950) De Ley and Frateur 1974 (Approved Lists 1980), subspecies.
Acetobacter pasteurianus subsp. pasteurianus ((Hansen 1879) De Ley and Frateur 1974 (Approved Lists 1980), subspecies.
Acetobacter peroxydans Visser't Hooft 1925 (Approved Lists 1980), species.
Acetobacter pomorum Sokollek et al. 1998, sp. nov.
Acetobacter senegalensis Ndoye et al. 2007, sp. nov.
Acetobacter syzygii Lisdiyanti et al. 2002, sp. nov.
Acetobacter tropicalis Lisdiyanti et al. 2001, sp. nov.
Acetobacter xylinus corrig. (Brown 1886) Yamada 1984, comb. nov.
Acetobacter xylinus subsp. sucrofermentans corrig. Toyosaki et al. 1996, subsp. nov.
Acetobacter xylinus subsp. xylinus corrig. (Brown 1886) Toyosaki et al. 1996, subsp. nov.

¤ Acetobacter (subgen. Acetobacter Beijerinck 1898) subgen. nov.
Acetobacter (subgen. Acetobacter Beijerinck 1898) aceti (Pasteur 1864) Beijerinck 1898, comb. nov.

¤ Acetobacter (subgen. Gluconoacetobacter Yamada and Kondo 1985) subgen. nov.
Acetobacter (subgen. Gluconoacetobacter Yamada and Kondo 1985) liquefaciens (Asai 1935) Yamada and Kondo 1985, comb. nov.

¤ Acetobacteraceae (ex Henrici 1939) Gillis and De Ley 1980, fam. nov., nom. rev.

¤ Acetobactereae Pribram 1929 (Approved Lists 1980), tribus.

¤ Acetobacterium Balch et al. 1977 (Approved Lists 1980), genus.
Acetobacterium bakii Kotsyurbenko et al. 1997, sp. nov.
Acetobacterium carbinolicum Eichler and Schink 1985, sp. nov.
Acetobacterium fimetarium Kotsyurbenko et al. 1997, sp. nov.
Acetobacterium malicum Tanaka and Pfennig 1990, sp. nov.
Acetobacterium paludosum Kotsyurbenko et al. 1997, sp. nov.
Acetobacterium tundrae Simankova et al. 2001, sp. nov.
Acetobacterium wieringae Braun and Gottschalk 1983, sp. nov.
Acetobacterium woodii Balch et al. 1977 (Approved Lists 1980), species.

¤ Acetofilamentum Dietrich et al. 1989, gen. nov.
Acetofilamentum rigidum Dietrich et al. 1989, sp. nov.

¤ Acetogenium Leigh and Wolfe 1983, gen. nov.
Acetogenium kivui Leigh and Wolfe 1983, sp. nov.

¤ Acetohalobium Zhilina and Zavarzin 1990, gen. nov.
Acetohalobium arabaticum Zhilina and Zavarzin 1990, sp. nov.

¤ Acetomicrobium Soutschek et al. 1985, gen. nov.
Acetomicrobium faecale corrig. Winter et al. 1988, sp. nov.
Acetomicrobium flavidum Soutschek et al. 1985, sp. nov.

¤ Acetonema Kane and Breznak 1992, gen. nov.
Acetonema longum Kane and Breznak 1992, sp. nov.

¤ Acetothermus Dietrich et al. 1988, gen. nov.
Acetothermus paucivorans Dietrich et al. 1988, sp. nov.

¤ Acholeplasma Edward and Freundt 1970 (Approved Lists 1980), genus.
Acholeplasma axanthum Tully and Razin 1970 (Approved Lists 1980), species.
Acholeplasma brassicae Tully et al. 1994, sp. nov.
Acholeplasma cavigenitalium Hill 1992, sp. nov.
Acholeplasma entomophilum Tully et al. 1988, sp. nov.
Acholeplasma equifetale Kirchoff 1974 (Approved Lists 1980), species.
Acholeplasma florum McCoy et al. 1984, sp. nov.
Acholeplasma granularum (Switzer 1964) Edward and Freundt 1970 (Approved Lists 1980), species.
Acholeplasma hippikon Kirchoff 1974 (Approved Lists 1980), species.
Acholeplasma laidlawii (Sabin 1941) Edward and Freundt 1970 (Approved Lists 1980), species.
Acholeplasma modicum Leach 1973 (Approved Lists 1980), species.
Acholeplasma morum Rose et al. 1980, sp. nov.
Acholeplasma multilocale Hill et al. 1992, sp. nov.
Acholeplasma oculi Al-Aubaidi et al. 1973 (Approved Lists 1980), species.
Acholeplasma palmae Tully et al. 1994, sp. nov.
Acholeplasma parvum Atobe et al. 1983, sp. nov.
Acholeplasma pleciae (Tully et al. 1994) Knight Jr. 2004, comb. nov.
Acholeplasma seiffertii Bonnet et al. 1991, sp. nov.
Acholeplasma vituli Angulo et al. 2000, sp. nov.

¤ Acholeplasmataceae Edward and Freundt 1970 (Approved Lists 1980), familia.

¤ Acholeplasmatales Freundt et al. 1984, ord. nov.

¤ Achromatiaceae Massart 1901 (Approved Lists 1980), familia.

¤ Achromatium Schewiakoff 1893 (Approved Lists 1980), genus.
Achromatium oxaliferum Schewiakoff 1893 (Approved Lists 1980), species.

¤ Achromobacter Yabuuchi and Yano 1981, gen. nov.
Achromobacter denitrificans (Rüger and Tan 1983) Coenye et al. 2003, comb. nov.
Achromobacter insolitus Coenye et al. 2003, sp. nov.
Achromobacter marplatensis Gomila et al. 2011, sp. nov.
Achromobacter piechaudii (Kiredjian et al. 1986) Yabuuchi et al. 1998, comb. nov.
Achromobacter ruhlandii (Packer and Vishniac 1955) Yabuuchi et al. 1998, comb. nov.
Achromobacter spanius Coenye et al. 2003, sp. nov.
Achromobacter xylosoxidans (ex Yabuuchi and Ohyama 1971) Yabuuchi and Yano 1981, sp. nov., nom. rev.
Achromobacter xylosoxidans subsp. denitrificans (Rüger and Tan 1983) Yabuuchi et al. 1998, comb. nov.
Achromobacter xylosoxidans subsp. xylosoxidans (ex Yabuuchi and Ohyama 1971) Yabuuchi and Yano 1981, comb. nov.

¤ Acidaminobacter Stams and Hansen 1985, gen. nov.
Acidaminobacter hydrogenoformans Stams and Hansen 1985, sp. nov.

¤ Acidaminococcaceae Marchandin et al. 2010, fam. nov.

¤ Acidaminococcus Rogosa 1969 (Approved Lists 1980), genus.
Acidaminococcus fermentans Rogosa 1969 (Approved Lists 1980), species.
Acidaminococcus intestini Jumas-Bilak et al. 2007, sp. nov.

¤ Acidianus Segerer et al. 1986, gen. nov.
Acidianus ambivalens (Zillig and Böck 1987) Fuchs et al. 1996, comb. nov.
Acidianus brierleyi (Zillig et al. 1980) Segerer et al. 1986, comb. nov.
Acidianus infernus Segerer et al. 1986, sp. nov.
Acidianus sulfidivorans Plumb et al. 2007, sp. nov.

¤ Acidicaldus Johnson et al. 2006, gen. nov.
Acidicaldus organivorans corrig. Johnson et al. 2006, sp. nov.

¤ Acidiferrobacter Hallberg et al. 2011, gen. nov.
Acidiferrobacter thiooxydans Hallberg et al. 2011, sp. nov.

¤ Acidilobaceae Prokofeva et al. 2009, fam. nov.

¤ Acidilobales Prokofeva et al. 2009, ord. nov.

¤ Acidilobus Prokofeva et al. 2000, gen. nov.
Acidilobus aceticus Prokofeva et al. 2000, sp. nov.
Acidilobus saccharovorans Prokofeva et al. 2009, sp. nov.

¤ Acidimicrobiaceae Stackebrandt et al. 1997, fam. nov.

¤ Acidimicrobiales Stackebrandt et al. 1997, ord. nov.

¤ Acidimicrobidae Stackebrandt et al. 1997, subclass. nov.

¤ Acidimicrobium Clark and Norris 1996, gen. nov.
Acidimicrobium ferrooxidans Clark and Norris 1996, sp. nov.

¤ Acidiphilium Harrison 1981, gen. nov.
Acidiphilium acidophilum (Harrison 1983) Hiraishi et al. 1998, comb. nov.
Acidiphilium aminilyticum corrig. Kishimoto et al. 1994, sp. nov.
Acidiphilium angustum Wichlacz et al. 1986, sp. nov.
Acidiphilium cryptum Harrison 1981, sp. nov.
Acidiphilium facile corrig. Wichlacz et al. 1986, sp. nov.
Acidiphilium multivorum Wakao et al. 1995, sp. nov.
Acidiphilium organovorum Lobos et al. 1986, sp. nov.
Acidiphilium rubrum Wichlacz et al. 1986, sp. nov.

¤ Acidiplasma Golyshina et al. 2009, gen. nov.
Acidiplasma aeolicum Golyshina et al. 2009, sp. nov.
Acidiplasma cupricumulans (Hawkes et al. 2008) Golyshina et al. 2009, comb. nov.

¤ Acidisoma Belova et al. 2009, gen. nov.
Acidisoma sibiricum Belova et al. 2009, sp. nov.
Acidisoma tundrae Belova et al. 2009, sp. nov.

¤ Acidisphaera Hiraishi et al. 2000, gen. nov.
Acidisphaera rubrifaciens Hiraishi et al. 2000, sp. nov.

¤ Aciditerrimonas Itoh et al. 2011, gen. nov.
Aciditerrimonas ferrireducens Itoh et al. 2011, sp. nov.

¤ Acidithiobacillaceae Garrity et al. 2005, fam. nov.

¤ Acidithiobacillales Garrity et al. 2005, ord. nov.

¤ Acidithiobacillus Kelly and Wood 2000, gen. nov.
Acidithiobacillus albertensis corrig. (Bryant et al. 1988) Kelly and Wood 2000, comb. nov.
Acidithiobacillus caldus (Hallberg and Lindstrom 1995) Kelly and Wood 2000, comb. nov.
Acidithiobacillus ferrivorans Hallberg et al. 2010, sp. nov.
Acidithiobacillus ferrooxidans (Temple and Colmer 1951) Kelly and Wood 2000, comb. nov.
Acidithiobacillus thiooxidans (Waksman and Joffe 1922) Kelly and Wood 2000, comb. nov.

¤ Acidobacteria Cavalier-Smith 2002, class. nov.

¤ Acidobacteria Thrash and Coates 2012, phyl. nov.

¤ Acidobacteriaceae Thrash and Coates 2012, fam. nov.

¤ Acidobacteriales Cavalier-Smith 2002, ord. nov.

¤ Acidobacterium Kishimoto et al. 1991, gen. nov.
Acidobacterium capsulatum Kishimoto et al. 1991, sp. nov.

¤ Acidocella Kishimoto et al. 1996, gen. nov.
Acidocella aluminiidurans Kimoto et al. 2010, sp. nov.
Acidocella aminolytica (Kishimoto et al. 1994) Kishimoto et al. 1996, comb. nov.
Acidocella facilis (Wichlacz et al. 1986) Kishimoto et al. 1996, comb. nov.

¤ Acidomonas Urakami et al. 1989, gen. nov.
Acidomonas methanolica (Uhlig et al. 1986) Urakami et al. 1989, comb. nov.

¤ Acidothermaceae Rainey et al. 1997 (complete authorship reads Rainey, Ward-Rainey and Stackebrandt), fam. nov.

¤ Acidothermus Mohagheghi et al. 1986, gen. nov.
Acidothermus cellulolyticus Mohagheghi et al. 1986, sp. nov.

¤ Acidovorax Willems et al. 1990, gen. nov.
Acidovorax anthurii Gardan et al. 2000, sp. nov.
Acidovorax avenae (Manns 1909) Willems et al. 1992, comb. nov.
Acidovorax avenae subsp. avenae (Manns 1909) Willems et al. 1992, comb. nov.
Acidovorax avenae subsp. cattleyae (Pavarino 1911) Willems et al. 1992, comb. nov.
Acidovorax avenae subsp. citrulli (Schaad et al. 1978) Willems et al. 1992, comb. nov.
Acidovorax caeni Heylen et al. 2008, sp. nov.
Acidovorax cattleyae (Pavarino 1911) Schaad et al. 2009, comb. nov.
Acidovorax citrulli (Schaad et al. 1978) Schaad et al. 2009, comb. nov.
Acidovorax defluvii Schulze et al. 1999, sp. nov.
Acidovorax delafieldii (Davis 1970) Willems et al. 1990, comb. nov.
Acidovorax facilis (Schatz and Bovell 1952) Willems et al. 1990, comb. nov.
Acidovorax konjaci (Goto 1983) Willems et al. 1992, comb. nov.
Acidovorax oryzae Schaad et al. 2009, sp. nov.
Acidovorax radicis Li et al. 2011, sp. nov.
Acidovorax soli Choi et al. 2010, sp. nov.
Acidovorax temperans Willems et al. 1990, sp. nov.
Acidovorax valerianellae Gardan et al. 2003, sp. nov.

¤ Acinetobacter Brisou and Prévot 1954 (Approved Lists 1980), genus.
Acinetobacter baumannii Bouvet and Grimont 1986, sp. nov.
Acinetobacter baylyi Carr et al. 2003, sp. nov.
Acinetobacter beijerinckii Nemec et al. 2009, sp. nov.
Acinetobacter bereziniae Nemec et al. 2010, sp. nov.
Acinetobacter bouvetii Carr et al. 2003, sp. nov.
Acinetobacter brisouii Anandham et al. 2011, sp. nov.
Acinetobacter calcoaceticus (Beijerinck 1911) Baumann et al. 1968 (Approved Lists 1980), species.
Acinetobacter gerneri Carr et al. 2003, sp. nov.
Acinetobacter grimontii Carr et al. 2003, sp. nov.
Acinetobacter guillouiae Nemec et al. 2010, sp. nov.
Acinetobacter gyllenbergii Nemec et al. 2009, sp. nov.
Acinetobacter haemolyticus (ex Stenzel and Mannheim 1963) Bouvet and Grimont 1986, nom. rev., comb. nov.
Acinetobacter johnsonii Bouvet and Grimont 1986, sp. nov.
Acinetobacter junii Bouvet and Grimont 1986, sp. nov.
Acinetobacter lwoffii (Audureau 1940) Brisou and Prévot 1954 (Approved Lists 1980), species.
Acinetobacter nosocomialis Nemec et al. 2011, sp. nov.
Acinetobacter parvus Nemec et al. 2003, sp. nov.
Acinetobacter pittii Nemec et al. 2011, sp. nov.
Acinetobacter radioresistens Nishimura et al. 1988, sp. nov.
Acinetobacter rudis Vaz-Moreira et al. 2011, sp. nov.
Acinetobacter schindleri Nemec et al. 2001, sp. nov.
Acinetobacter soli Kim et al. 2009, sp. nov.
Acinetobacter tandoii Carr et al. 2003, sp. nov.
Acinetobacter tjernbergiae Carr et al. 2003, sp. nov.
Acinetobacter towneri Carr et al. 2003, sp. nov.
Acinetobacter ursingii Nemec et al. 2001, sp. nov.
Acinetobacter venetianus Vaneechoutte et al. 2009 ex Di Cello et al. 1997, sp. nov.

¤ Acrocarpospora Tamura et al. 2000, gen. nov.
Acrocarpospora corrugata (Williams and Sharples 1976) Tamura et al. 2000, comb. nov.
Acrocarpospora macrocephala Tamura et al. 2000, sp. nov.
Acrocarpospora pleiomorpha Tamura et al. 2000, sp. nov.

¤ Actibacter Kim et al. 2008, gen. nov.
Actibacter sediminis Kim et al. 2008, sp. nov.

¤ Actinaurispora Thawai et al. 2010, gen. nov.
Actinaurispora siamensis Thawai et al. 2010, sp. nov.

¤ Actinoallomurus Tamura et al. 2009, gen. nov.
Actinoallomurus acaciae Thamchaipenet et al. 2010, sp. nov.
Actinoallomurus amamiensis Tamura et al. 2009, sp. nov.
Actinoallomurus caesius Tamura et al. 2009, sp. nov.
Actinoallomurus coprocola Tamura et al. 2009, sp. nov.
Actinoallomurus fulvus Tamura et al. 2009, sp. nov.
Actinoallomurus iriomotensis Tamura et al. 2009, sp. nov.
Actinoallomurus luridus Tamura et al. 2009, sp. nov.
Actinoallomurus oryzae Indananda et al. 2011, sp. nov.
Actinoallomurus purpureus Tamura et al. 2009, sp. nov.
Actinoallomurus radicium Matsumoto et al. 2012, sp. nov.
Actinoallomurus spadix (Nonomura and Ohara 1971) Tamura et al. 2009, comb. nov.
Actinoallomurus yoronensis Tamura et al. 2009, sp. nov.

¤ Actinoalloteichus Tamura et al. 2000, gen. nov.
Actinoalloteichus cyanogriseus Tamura et al. 2000, sp. nov.
Actinoalloteichus hymeniacidonis Zhang et al. 2006, sp. nov.
Actinoalloteichus nanshanensis Xiang et al. 2011, sp. nov.
Actinoalloteichus spitiensis Singla et al. 2005, sp. nov.

¤ Actinobacillus Brumpt 1910 (Approved Lists 1980), genus.
Actinobacillus actinomycetemcomitans (Klinger 1912) Topley and Wilson 1929 (Approved Lists 1980), species.
Actinobacillus anseriformium Bisgaard and Christensen 2012, sp. nov.
Actinobacillus arthritidis Christensen et al. 2002, sp. nov.
Actinobacillus capsulatus Arseculeratne 1962 (Approved Lists 1980), species.
Actinobacillus delphinicola Foster et al. 1996, sp. nov.
Actinobacillus equuli (van Straaten 1918) Haupt 1934 (Approved Lists 1980), species.
Actinobacillus equuli subsp. equuli (van Straaten 1918) Christensen et al. 2002, subsp. nov.
Actinobacillus equuli subsp. haemolyticus Christensen et al. 2002, subsp. nov.
Actinobacillus hominis Friis-Møller 1985, sp. nov.
Actinobacillus indolicus Møller et al. 1996, sp. nov.
Actinobacillus lignieresii Brumpt 1910 (Approved Lists 1980), species.
Actinobacillus minor Møller et al. 1996, sp. nov.
Actinobacillus muris Bisgaard 1988, sp. nov.
Actinobacillus pleuropneumoniae (Shope 1964) Pohl et al. 1983, comb. nov.
Actinobacillus porcinus Møller et al. 1996, sp. nov.
Actinobacillus rossii Sneath and Stevens 1990, sp. nov.
Actinobacillus scotiae Foster et al. 1998, sp. nov.
Actinobacillus seminis (ex Baynes and Simmons 1960) Sneath and Stevens 1990, sp. nov., nom. rev.
Actinobacillus succinogenes Guettler et al. 1999, sp. nov.
Actinobacillus suis van Dorssen and Jaartsveld 1962 (Approved Lists 1980), species.
Actinobacillus ureae (Jones 1962) Mutters et al. 1986, comb. nov.

¤ Actinobacteria Cavalier-Smith 2002, subdivisio nov.

¤ Actinobacteria Stackebrandt et al. 1997, classis nov.

¤ Actinobacteridae Stackebrandt et al. 1997, subclass. nov.

¤ Actinobaculum Lawson et al. 1997, gen. nov.
Actinobaculum massiliense corrig. Greub and Raoult 2006, sp. nov.
Actinobaculum schaalii Lawson et al. 1997, sp. nov.
Actinobaculum suis (Wegienek and Reddy 1982) Lawson et al. 1997, comb. nov.
Actinobaculum urinale Hall et al. 2003, sp. nov.

¤ Actinobispora Jiang et al. 1991, gen. nov.
Actinobispora alaniniphila Xu et al. 1999, sp. nov.
Actinobispora aurantiaca Xu et al. 1999, sp. nov.
Actinobispora xinjiangensis Xu et al. 1999, sp. nov.
Actinobispora yunnanensis Jiang et al. 1991, sp. nov.

¤ Actinocatenispora Thawai et al. 2006, gen. nov.
Actinocatenispora rupis Seo and Lee 2009, sp. nov.
Actinocatenispora sera Matsumoto et al. 2007, sp. nov.
Actinocatenispora thailandica Thawai et al. 2006, sp. nov.

¤ Actinocorallia Iinuma et al. 1994, gen. nov.
Actinocorallia aurantiaca (Lavrova and Preobrazhenskaya 1975) Zhang et al. 2001, comb. nov.
Actinocorallia aurea Tamura et al. 2007, sp. nov.
Actinocorallia cavernae Lee 2006, sp. nov.
Actinocorallia glomerata (Itoh et al. 1996) Zhang et al. 2001, comb. nov.
Actinocorallia herbida Iinuma et al. 1994, sp. nov.
Actinocorallia libanotica (Meyer 1981) Zhang et al. 2001, comb. nov.
Actinocorallia longicatena (Itoh et al. 1996) Zhang et al. 2001, comb. nov.

¤ Actinokineospora Hasegawa 1988, gen. nov.
Actinokineospora auranticolor Otoguro et al. 2003, sp. nov.
Actinokineospora baliensis Lisdiyanti et al. 2010, sp. nov.
Actinokineospora cianjurensis Lisdiyanti et al. 2010, sp. nov.
Actinokineospora cibodasensis Lisdiyanti et al. 2010, sp. nov.
Actinokineospora diospyrosa Tamura et al. 1995, sp. nov.
Actinokineospora enzanensis Otoguro et al. 2003, sp. nov.
Actinokineospora fastidiosa (Henssen et al. 1987) Labeda et al. 2010, comb. nov.
Actinokineospora globicatena Tamura et al. 1995, sp. nov.
Actinokineospora inagensis Tamura et al. 1995, sp. nov.
Actinokineospora riparia Hasegawa 1988, sp. nov.
Actinokineospora terrae Tamura et al. 1995, sp. nov.

¤ Actinomadura Lechevalier and Lechevalier 1968 (Approved Lists 1980), genus.
Actinomadura africana Preobrazhenskaya and Sveshnikova 1974 (Approved Lists 1980), species.
Actinomadura alba Wang et al. 2007, sp. nov.
Actinomadura apis Promnuan et al. 2011, sp. nov.
Actinomadura atramentaria Miyadoh et al. 1987, sp. nov.
Actinomadura aurantiaca Lavrova and Preobrazhenskaya 1975 (Approved Lists 1980), species.
Actinomadura bangladeshensis Ara et al. 2008, sp. nov.
Actinomadura carminata Gauze et al. 1973 (Approved Lists 1980), species.
Actinomadura catellatispora Lu et al. 2003, sp. nov.
Actinomadura chibensis Hanafy et al. 2008, sp. nov.
Actinomadura chokoriensis Ara et al. 2008, sp. nov.
Actinomadura citrea Lavrova et al. 1972 (Approved Lists 1980), species.
Actinomadura coerulea Preobrazhenskaya et al. 1975 (Approved Lists 1980), species.
Actinomadura coeruleofusca Preobrazhenskaya and Sveshnikova 1974 (Approved Lists 1980), species.
Actinomadura coeruleoviolacea Preobrazhenskaya and Terekhova 1987, sp. nov.
Actinomadura cremea Preobrazhenskaya et al. 1975 (Approved Lists 1980), species.
Actinomadura cremea subsp. cremea (Preobrazhenskaya et al. 1975) Gauze et al. 1987, subsp. nov.
Actinomadura cremea subsp. rifamycini Gauze et al. 1987, subsp. nov.
Actinomadura echinospora (Nonomura and Ohara 1971) Kroppenstedt et al. 1991, comb. nov.
Actinomadura fastidiosa Soina et al. 1975 (Approved Lists 1980), species.
Actinomadura ferruginea Meyer 1981, sp. nov.
Actinomadura fibrosa Mertz and Yao 1990, sp. nov.
Actinomadura flava Gauze et al. 1974 (Approved Lists 1980), species.
Actinomadura flavalba Qin et al. 2009, sp. nov.
Actinomadura flexuosa (ex Krasil'nikov and Agre 1964) Meyer 1989, nom. rev., comb. nov.
Actinomadura formosensis (Hasegawa et al. 1986) Zhang et al. 1998, comb. nov.
Actinomadura fulvescens Terekhova et al. 1987, sp. nov.
Actinomadura glauciflava Lu et al. 2003, sp. nov.
Actinomadura glomerata Itoh et al. 1996, sp. nov.
Actinomadura hallensis Lee and Jeong 2006, sp. nov.
Actinomadura helvata Nonomura and Ohara 1971 (Approved Lists 1980), species.
Actinomadura hibisca Tomita et al. 1991, sp. nov.
Actinomadura keratinilytica Puhl et al. 2009, sp. nov.
Actinomadura kijaniata Horan and Brodsky 1982, sp. nov.
Actinomadura latina Trujillo and Goodfellow 1997, sp. nov.
Actinomadura libanotica Meyer 1981, sp. nov.
Actinomadura livida Lavrova and Preobrazhenskaya 1975 (Approved Lists 1980), species.
Actinomadura longicatena Itoh et al. 1996, sp. nov.
Actinomadura longispora Preobrazhenskaya and Sveshnikova 1974 (Approved Lists 1980), species.
Actinomadura luteofluorescens (Shinobu 1962) Preobrazhenskaya et al. 1975 (Approved Lists 1980), species.
Actinomadura macra (ex Celmer et al. 1979) Huang 1980, sp. nov., nom. rev.
Actinomadura madurae (Vincent 1894) Lechevalier and Lechevalier 1968 (Approved Lists 1980), species.
Actinomadura malachitica Lavrova et al. 1972 (Approved Lists 1980), species.
Actinomadura meridiana Lee 2012, sp. nov.
Actinomadura mexicana Quintana et al. 2004, sp. nov.
Actinomadura meyerae corrig. Quintana et al. 2004, sp. nov.
Actinomadura miaoliensis Tseng et al. 2009, sp. nov.
Actinomadura namibiensis Wink et al. 2003, sp. nov.
Actinomadura napierensis Cook et al. 2005, sp. nov.
Actinomadura nitritigenes Lipski and Altendorf 1995, sp. nov.
Actinomadura oligospora Mertz and Yao 1986, sp. nov.
Actinomadura pelletieri (Laveran 1906) Lechevalier and Lechevalier 1968 (Approved Lists 1980), species.
Actinomadura polychroma Galatenko et al. 1987, sp. nov.
Actinomadura pusilla Nonomura and Ohara 1971 (Approved Lists 1980), species.
Actinomadura recticatena Terekhova et al. 1987, sp. nov.
Actinomadura rifamycini (Gauze et al. 1987) Promnuan et al. 2011, comb. nov.
Actinomadura roseola Lavrova and Preobrazhenskaya 1975 (Approved Lists 1980), species.
Actinomadura roseoviolacea Nonomura and Ohara 1971 (Approved Lists 1980), species.
Actinomadura rubra (Sveshnikova et al. 1969) Meyer and Sveshnikova 1974 (Approved Lists 1980), species.
Actinomadura rubrobrunea (ex Krasil'nikov et al. 1968) Kroppenstedt et al. 1991, nom. rev., comb. nov.
Actinomadura rudentiformis Le Roes and Meyers 2007, sp. nov.
Actinomadura rugatobispora Miyadoh et al. 1991, nom. nov.
Actinomadura salmonea Preobrazhenskaya et al. 1975 (Approved Lists 1980), species.
Actinomadura scrupuli Lee and Lee 2010, sp. nov.
Actinomadura spadix Nonomura and Ohara 1971 (Approved Lists 1980), species.
Actinomadura spiralis Meyer 1981, sp. nov.
Actinomadura sputi Yassin et al. 2010, sp. nov.
Actinomadura turkmeniaca Terekhova et al. 1987, sp. nov.
Actinomadura umbrina Galatenko et al. 1987, sp. nov.
Actinomadura verrucosospora Nonomura and Ohara 1971 (Approved Lists 1980), species.
Actinomadura vinacea Lavrova and Preobrazhenskaya 1975 (Approved Lists 1980), species.
Actinomadura viridilutea (Agre and Guzeva 1975) Zhang et al. 2001, comb. nov.
Actinomadura viridis (Nonomura and Ohara 1971) Miyadoh et al. 1989, comb. nov.
Actinomadura yumaensis Labeda et al. 1985, sp. nov.

¤ Actinomyces Harz 1877 (Approved Lists 1980), genus.
Actinomyces bernardiae Funke et al. 1995, sp. nov.
Actinomyces bovis Harz 1877 (Approved Lists 1980), species.
Actinomyces bowdenii Pascual et al. 1999, sp. nov.
Actinomyces canis Hoyles et al. 2000, sp. nov.
Actinomyces cardiffensis Hall et al. 2003, sp. nov.
Actinomyces catuli Hoyles et al. 2001, sp. nov.
Actinomyces coleocanis Hoyles et al. 2002, sp. nov.
Actinomyces dentalis Hall et al. 2005, sp. nov.
Actinomyces denticolens Dent and Williams 1984, sp. nov.
Actinomyces europaeus Funke et al. 1997, sp. nov.
Actinomyces funkei Lawson et al. 2001, sp. nov.
Actinomyces georgiae Johnson et al. 1990, sp. nov.
Actinomyces gerencseriae Johnson et al. 1990, sp. nov.
Actinomyces graevenitzii Pascual Ramos et al. 1997, sp. nov.
Actinomyces hominis Funke et al. 2010, sp. nov.
Actinomyces hongkongensis Woo et al. 2004, sp. nov.
Actinomyces hordeovulneris Buchanan et al. 1984, sp. nov.
Actinomyces howellii Dent and Williams 1984, sp. nov.
Actinomyces humiferus Gledhill and Casida 1969 (Approved Lists 1980), species.
Actinomyces hyovaginalis Collins et al. 1993, sp. nov.
Actinomyces israelii (Kruse 1896) Lachner-Sandoval 1898 (Approved Lists 1980), species.
Actinomyces johnsonii Henssge et al. 2009, sp. nov.
Actinomyces marimammalium Hoyles et al. 2001, sp. nov.
Actinomyces massiliensis Renvoise et al. 2009, sp. nov.
Actinomyces meyeri (ex Prévot 1938) Cato et al. 1984, nom. rev., comb. nov.
Actinomyces naeslundii Thompson and Lovestedt 1951 (Approved Lists 1980), species.
Actinomyces nasicola Hall et al. 2003, sp. nov.
Actinomyces neuii Funke et al. 1994, sp. nov.
Actinomyces neuii subsp. anitratus Funke et al. 1994, subsp. nov.
Actinomyces neuii subsp. neuii Funke et al. 1994, subsp. nov.
Actinomyces odontolyticus Batty 1958 (Approved Lists 1980), species.
Actinomyces oricola Hall et al. 2003, sp. nov.
Actinomyces oris Henssge et al. 2009, sp. nov.
Actinomyces pyogenes (Glage 1903) Collins and Jones 1983, comb. nov.
Actinomyces pyogenes (Glage 1903) Reddy et al. 1982, comb. nov.
Actinomyces radicidentis Collins et al. 2001, sp. nov.
Actinomyces radingae Wüst et al. 1995, sp. nov.
Actinomyces ruminicola An et al. 2006, sp. nov.
Actinomyces slackii Dent and Williams 1986, sp. nov.
Actinomyces suimastitidis Hoyles et al. 2001, sp. nov.
Actinomyces suis (Wegienek and Reddy 1982) Ludwig et al. 1992, comb. nov.
Actinomyces timonensis Renvoise et al. 2010, sp. nov.
Actinomyces turicensis Wüst et al. 1995, sp. nov.
Actinomyces urogenitalis Nikolaitchouk et al. 2000, sp. nov.
Actinomyces vaccimaxillae Hall et al. 2003, sp. nov.
Actinomyces viscosus (Howell et al. 1965) Georg et al. 1969 (Approved Lists 1980), species.

¤ Actinomycetaceae Buchanan 1918 (Approved Lists 1980), familia.

¤ Actinomycetales Buchanan 1917 (Approved Lists 1980), ordo.

¤ Actinomycetes Krasil'nikov 1949 (Approved Lists 1980), classis.

¤ Actinomycetospora Jiang et al. 2008, gen. nov.
Actinomycetospora chiangmaiensis Jiang et al. 2008, sp. nov.
Actinomycetospora chibensis Tamura et al. 2011, sp. nov.
Actinomycetospora chlora Tamura et al. 2011, sp. nov.
Actinomycetospora cinnamomea Tamura et al. 2011, sp. nov.
Actinomycetospora corticicola Tamura et al. 2011, sp. nov.
Actinomycetospora iriomotensis Yamamura et al. 2011, sp. nov.
Actinomycetospora lutea Tamura et al. 2011, sp. nov.
Actinomycetospora rishiriensis Yamamura et al. 2011, sp. nov.
Actinomycetospora straminea Tamura et al. 2011, sp. nov.
Actinomycetospora succinea Tamura et al. 2011, sp. nov.

¤ Actinomycineae Stackebrandt et al. 1997, subord. nov.

¤ Actinophytocola Indananda et al. 2010, gen. nov.
Actinophytocola burenkhanensis Ara et al. 2011, sp. nov.
Actinophytocola corallina Otoguro et al. 2011, sp. nov.
Actinophytocola oryzae Indananda et al. 2010, sp. nov.
Actinophytocola timorensis Otoguro et al. 2011, sp. nov.
Actinophytocola xinjiangensis Guo et al. 2011, sp. nov.

¤ Actinoplanaceae Couch 1955 (Approved Lists 1980), familia.

¤ Actinoplanales Cavalier-Smith 2002, ord. nov.

¤ Actinoplanes Couch 1950 (Approved Lists 1980), genus.
Actinoplanes armeniacus Kalakoutskii and Kusnetsov 1964 (Approved Lists 1980), species.
Actinoplanes auranticolor (Couch 1963) Stackebrandt and Kroppenstedt 1988, comb. nov.
Actinoplanes brasiliensis Thiemann et al. 1969 (Approved Lists 1980), species.
Actinoplanes caeruleus Horan and Brodsky 1986, sp. nov.
Actinoplanes campanulatus (Couch 1963) Stackebrandt and Kroppenstedt 1988, comb. nov.
Actinoplanes capillaceus Matsumoto et al. 2001, sp. nov.
Actinoplanes consettensis Goodfellow et al. 1990, sp. nov.
Actinoplanes couchii Kämpfer et al. 2007, sp. nov.
Actinoplanes cyaneus Terekhova et al. 1987, sp. nov.
Actinoplanes deccanensis Parenti et al. 1975 (Approved Lists 1980), species.
Actinoplanes derwentensis Goodfellow et al. 1990, sp. nov.
Actinoplanes digitatis (Couch 1963) Stackebrandt and Kroppenstedt 1988, comb. nov.
Actinoplanes durhamensis Goodfellow et al. 1990, sp. nov.
Actinoplanes ferrugineus Palleroni 1979 (Approved Lists 1980), species.
Actinoplanes friuliensis Aretz et al. 2001, sp. nov.
Actinoplanes globisporus (Thiemann 1967) Stackebrandt and Kroppenstedt 1988, comb. nov.
Actinoplanes humidus Goodfellow et al. 1990, sp. nov.
Actinoplanes ianthinogenes (ex Coronelli et al. 1974) Tamura et al. 2011, sp. nov., nom. rev.
Actinoplanes italicus Beretta 1973 (Approved Lists 1980), species.
Actinoplanes liguriensis Wink et al. 2006, sp. nov.
Actinoplanes lobatus (Couch 1963) Stackebrandt and Kroppenstedt 1988, comb. nov.
Actinoplanes minutisporangius Ruan et al. 1986, sp. nov.
Actinoplanes missouriensis Couch 1963 (Approved Lists 1980), species.
Actinoplanes octamycinicus corrig. (ex Gause et al., 1979) Tamura et al. 2011, nom. rev., comb. nov.
Actinoplanes palleronii Goodfellow et al. 1990, sp. nov.
Actinoplanes philippinensis Couch 1950 (Approved Lists 1980), species.
Actinoplanes rectilineatus Lechevalier and Lechevalier 1975 (Approved Lists 1980), species.
Actinoplanes regularis (Couch 1963) Stackebrandt and Kroppenstedt 1988, comb. nov.
Actinoplanes sichuanensis Sun et al. 2009, sp. nov.
Actinoplanes teichomyceticus Wink et al. 2006, sp. nov.
Actinoplanes tereljensis Ara et al. 2010, sp. nov.
Actinoplanes toevensis Ara et al. 2010, sp. nov.
Actinoplanes utahensis Couch 1963 (Approved Lists 1980), species.
Actinoplanes xinjiangensis Sun et al. 2009, sp. nov.

¤ Actinopolymorpha Wang et al. 2001, gen. nov.
Actinopolymorpha alba Cao et al. 2009, sp. nov.
Actinopolymorpha cephalotaxi Yuan et al. 2010, sp. nov.
Actinopolymorpha pittospori Kaewkla and Franco 2011, sp. nov.
Actinopolymorpha rutila Wang et al. 2008, sp. nov.
Actinopolymorpha singaporensis Wang et al. 2001, sp. nov.

¤ Actinopolyspora Gochnauer et al. 1975 (Approved Lists 1980), genus.
Actinopolyspora alba Tang et al. 2011, sp. nov.
Actinopolyspora erythraea Tang et al. 2011, sp. nov.
Actinopolyspora halophila Gochnauer et al. 1975 (Approved Lists 1980), species.
Actinopolyspora iraqiensis Ruan et al. 1994, sp. nov.
Actinopolyspora mortivallis Yoshida et al. 1991, sp. nov.
Actinopolyspora xinjiangensis Guan et al. 2011, sp. nov.

¤ Actinopolysporaceae Zhi et al. 2009, fam. nov.

¤ Actinopolysporineae Zhi et al. 2009, subord. nov.

¤ Actinopycnidium Krasil'nikov 1962 (Approved Lists 1980), genus.
Actinopycnidium caeruleum Krasil'nikov 1962 (Approved Lists 1980), species.

¤ Actinospica Cavaletti et al. 2006, gen. nov.
Actinospica acidiphila Cavaletti et al. 2006, sp. nov.
Actinospica robiniae Cavaletti et al. 2006, sp. nov.

¤ Actinospicaceae Cavaletti et al. 2006, fam. nov.

¤ Actinosporangium Krasil'nikov and Yuan 1961 (Approved Lists 1980), genus.
Actinosporangium violaceum Krasil'nikov and Yuan 1961 (Approved Lists 1980), species.
Actinosporangium vitaminophilum Shomura et al. 1983, sp. nov.

¤ Actinosynnema Hasegawa et al. 1978 (Approved Lists 1980), genus.
Actinosynnema mirum Hasegawa et al. 1978 (Approved Lists 1980), species.
Actinosynnema pretiosum Hasegawa et al. 1983, sp. nov.
Actinosynnema pretiosum subsp. auranticum Hasegawa et al. 1983, subsp. nov.
Actinosynnema pretiosum subsp. pretiosum Hasegawa et al. 1983, subsp. nov.

¤ Actinosynnemataceae Labeda and Kroppenstedt 2000, fam. nov.

¤ Actinotalea Yi et al. 2007, gen. nov.
Actinotalea fermentans (Bagnara et al. 1985) Yi et al. 2007, comb. nov.

¤ Adhaeribacter Rickard et al. 2005, gen. nov.
Adhaeribacter aerolatus Weon et al. 2010, sp. nov.
Adhaeribacter aerophilus Weon et al. 2010, sp. nov.
Adhaeribacter aquaticus Rickard et al. 2005, sp. nov.
Adhaeribacter terreus Zhang et al. 2009, sp. nov.

¤ Adlercreutzia Maruo et al. 2008, gen. nov.
Adlercreutzia equolifaciens Maruo et al. 2008, sp. nov.

¤ Advenella Coenye et al. 2005, gen. nov.
Advenella incenata Coenye et al. 2005, sp. nov.
Advenella kashmirensis (Ghosh et al. 2005) Gibello et al. 2009, comb. nov.
Advenella mimigardefordensis (Wübbeler et al. 2006) Gibello et al. 2009, comb. nov.

¤ Aegyptianella Carpano 1929 (Approved Lists 1980), genus.
Aegyptianella pullorum Carpano 1929 (Approved Lists 1980), species.

¤ Aequorivita Bowman and Nichols 2002, gen. nov.
Aequorivita antarctica Bowman and Nichols 2002, sp. nov.
Aequorivita capsosiphonis Park et al. 2009, sp. nov.
Aequorivita crocea Bowman and Nichols 2002, sp. nov.
Aequorivita lipolytica Bowman and Nichols 2002, sp. nov.
Aequorivita sublithincola Bowman and Nichols 2002, sp. nov.

¤ Aeribacillus Miñana-Galbis et al. 2010, gen. nov.
Aeribacillus pallidus (Scholz et al. 1988) Miñana-Galbis et al. 2010, comb. nov.

¤ Aeriscardovia Simpson et al. 2004, gen. nov.
Aeriscardovia aeriphila Simpson et al. 2004, sp. nov.

¤ Aerococcaceae Ludwig et al. 2010, fam. nov.

¤ Aerococcus Williams et al. 1953 (Approved Lists 1980), genus.
Aerococcus christensenii Collins et al. 1999, sp. nov.
Aerococcus sanguinicola corrig. Lawson et al. 2001, sp. nov.
Aerococcus suis Vela et al. 2007, sp. nov.
Aerococcus urinae Aguirre and Collins 1992, sp. nov.
Aerococcus urinaeequi (Garvie 1988) Felis et al. 2005, comb. nov.
Aerococcus urinaehominis Lawson et al. 2001, sp. nov.
Aerococcus viridans Williams et al. 1953 (Approved Lists 1980), species.

¤ Aeromicrobium Miller et al. 1991, gen. nov.
Aeromicrobium alkaliterrae Yoon et al. 2005, sp. nov.
Aeromicrobium erythreum Miller et al. 1991, sp. nov.
Aeromicrobium fastidiosum (Collins and Stackebrandt 1989) Tamura and Yokota 1994, comb. nov.
Aeromicrobium flavum Tang et al. 2008, sp. nov.
Aeromicrobium ginsengisoli Kim et al. 2008, sp. nov.
Aeromicrobium halocynthiae Kim et al. 2010, sp. nov.
Aeromicrobium marinum Bruns et al. 2003, sp. nov.
Aeromicrobium panaciterrae Cui et al. 2007, sp. nov.
Aeromicrobium ponti Lee and Lee 2008, sp. nov.
Aeromicrobium tamlense Lee and Kim 2007, sp. nov.

¤ Aeromonadaceae Colwell et al. 1986, fam. nov.

¤ Aeromonadales Martin-Carnahan and Joseph 2005, ord. nov.

¤ Aeromonas Stanier 1943 (Approved Lists 1980), genus.
Aeromonas allosaccharophila Martinez-Murcia et al. 1992, sp. nov.
Aeromonas aquariorum Martínez-Murcia et al. 2008, sp. nov.
Aeromonas bestiarum Ali et al. 1996, sp. nov.
Aeromonas bivalvium Miñana-Galbis et al. 2007, sp. nov.
Aeromonas caviae (ex Eddy 1962) Popoff 1984, sp. nov., nom. rev.
Aeromonas culicicola Pidiyar et al. 2002, sp. nov.
Aeromonas diversa Miñana-Galbis et al. 2010, sp. nov.
Aeromonas encheleia Esteve et al. 1995, sp. nov.
Aeromonas enteropelogenes Schubert et al. 1991, sp. nov.
Aeromonas eucrenophila Schubert and Hegazi 1988, sp. nov.
Aeromonas fluvialis Alperi et al. 2010, sp. nov.
Aeromonas hydrophila (Chester 1901) Stanier 1943 (Approved Lists 1980), species.
Aeromonas hydrophila subsp. anaerogenes Schubert 1964 (Approved Lists 1980), subspecies.
Aeromonas hydrophila subsp. dhakensis Huys et al. 2002, subsp. nov.
Aeromonas hydrophila subsp. hydrophila (Chester 1901) Schubert 1969 (Approved Lists 1980), subspecies.
Aeromonas hydrophila subsp. proteolytica (Merkel et al. 1964) Schubert 1969 (Approved Lists 1980), subspecies.
Aeromonas hydrophila subsp. ranae Huys et al. 2003, subsp. nov.
Aeromonas ichthiosmia Schubert et al. 1991, sp. nov.
Aeromonas jandaei Carnahan et al. 1992, sp. nov.
Aeromonas media Allen et al. 1983, sp. nov.
Aeromonas molluscorum Miñana-Galbis et al. 2004, sp. nov.
Aeromonas piscicola Beaz-Hidalgo et al. 2010, sp. nov.
Aeromonas popoffii Huys et al. 1997, sp. nov.
Aeromonas punctata (Zimmermann 1890) Snieszko 1957 (Approved Lists 1980), species.
Aeromonas punctata subsp. caviae (Scherago 1936) Schubert 1964 (Approved Lists 1980), subspecies.
Aeromonas punctata subsp. punctata (Zimmermann 1890) Schubert 1964 (Approved Lists 1980), subspecies.
Aeromonas rivuli Figueras et al. 2011, sp. nov.
Aeromonas salmonicida (Lehmann and Neumann 1896) Griffin et al. 1953 (Approved Lists 1980), species.
Aeromonas salmonicida subsp. achromogenes (Smith 1963) Schubert 1967 (Approved Lists 1980), subspecies.
Aeromonas salmonicida subsp. masoucida Kimura 1969 (Approved Lists 1980), subspecies.
Aeromonas salmonicida subsp. pectinolytica Pavan et al. 2000, subsp. nov.
Aeromonas salmonicida subsp. salmonicida (Lehmann and Neumann 1896) Schubert 1967 (Approved Lists 1980), subspecies.
Aeromonas salmonicida subsp. smithia Austin et al. 1989, subsp. nov.
Aeromonas sanarellii Alperi et al. 2010, sp. nov.
Aeromonas schubertii Hickman-Brenner et al. 1989, sp. nov.
Aeromonas sharmana Saha and Chakrabarti 2006, sp. nov.
Aeromonas simiae Harf-Monteil et al. 2004, sp. nov.
Aeromonas sobria Popoff and Véron 1981, sp. nov.
Aeromonas taiwanensis Alperi et al. 2010, sp. nov.
Aeromonas tecta Demarta et al. 2010, sp. nov.
Aeromonas trota Carnahan et al. 1992, sp. nov.
Aeromonas veronii Hickman-Brenner et al. 1988, sp. nov.

¤ Aeropyrum Sako et al. 1996, gen. nov.
Aeropyrum camini Nakagawa et al. 2004, sp. nov.
Aeropyrum pernix Sako et al. 1996, sp. nov.

¤ Aestuariibacter Yi et al. 2004, gen. nov.
Aestuariibacter aggregatus Wang et al. 2010, sp. nov.
Aestuariibacter halophilus Yi et al. 2004, sp. nov.
Aestuariibacter litoralis Tanaka et al. 2010, sp. nov.
Aestuariibacter salexigens Yi et al. 2004, sp. nov.

¤ Aestuariicola Yoon et al. 2008, gen. nov.
Aestuariicola saemankumensis Yoon et al. 2008, sp. nov.

¤ Aestuariimicrobium Jung et al. 2007, gen. nov.
Aestuariimicrobium kwangyangense Jung et al. 2007, sp. nov.

¤ Afifella Urdiain et al. 2009, gen. nov.
Afifella marina (Imhoff 1984) Urdiain et al. 2009, comb. nov.
Afifella pfennigii (Caumette et al. 2007) Urdiain et al. 2009, comb. nov.

¤ Afipia Brenner et al. 1992, gen. nov.
Afipia birgiae La Scola et al. 2002, sp. nov.
Afipia broomeae Brenner et al. 1992, sp. nov.
Afipia clevelandensis Brenner et al. 1992, sp. nov.
Afipia felis Brenner et al. 1992, sp. nov.
Afipia massiliensis La Scola et al. 2002, sp. nov.

¤ Agaricicola Chu et al. 2010, gen. nov.
Agaricicola taiwanensis Chu et al. 2010, sp. nov.

¤ Agarivorans Kurahashi and Yokota 2004, gen. nov.
Agarivorans albus Kurahashi and Yokota 2004, sp. nov.
Agarivorans gilvus Du et al. 2011, sp. nov.

¤ Aggregatibacter Nørskov-Lauritsen and Kilian 2006, gen. nov.
Aggregatibacter actinomycetemcomitans (Klinger 1912) Nørskov-Lauritsen and Kilian 2006, comb. nov.
Aggregatibacter aphrophilus (Khairat 1940) Nørskov-Lauritsen and Kilian 2006, comb. nov.
Aggregatibacter segnis (Kilian 1977) Nørskov-Lauritsen and Kilian 2006, comb. nov.

¤ Agitococcus Franzmann and Skerman 1981, gen. nov.
Agitococcus lubricus Franzmann and Skerman 1981, sp. nov.

¤ Agreia Evtushenko et al. 2001, gen. nov.
Agreia bicolorata Evtushenko et al. 2001, sp. nov.
Agreia pratensis (Behrendt et al. 2002) Schumann et al. 2003, comb. nov.

¤ Agrobacterium Conn 1942 (Approved Lists 1980), genus.
Agrobacterium atlanticum Rüger and Höfle 1992, sp. nov.
Agrobacterium ferrugineum (ex Ahrens and Rheinheimer 1967) Rüger and Höfle 1992, sp. nov., nom. rev.
Agrobacterium gelatinovorum (ex Ahrens 1968) Rüger and Höfle 1992, sp. nov., nom. rev.
Agrobacterium larrymoorei Bouzar and Jones 2001, sp. nov.
Agrobacterium meteori Rüger and Höfle 1992, sp. nov.
Agrobacterium radiobacter (Beijerinck and van Delden 1902) Conn 1942 (Approved Lists 1980), species.
Agrobacterium rhizogenes (Riker et al. 1930) Conn 1942 (Approved Lists 1980), species.
Agrobacterium rubi (Hildebrand 1940) Starr and Weiss 1943 (Approved Lists 1980), species.
Agrobacterium stellulatum (ex Stapp and Knösel 1954) Rüger and Höfle 1992, sp. nov., nom. rev.
Agrobacterium tumefaciens (Smith and Townsend 1907) Conn 1942 (Approved Lists 1980), species.
Agrobacterium vitis Ophel and Kerr 1990, sp. nov.

¤ Agrococcus Groth et al. 1996, gen. nov.
Agrococcus baldri Zlamala et al. 2002, sp. nov.
Agrococcus carbonis Dhanjal et al. 2011, sp. nov.
Agrococcus casei Bora et al. 2007, sp. nov.
Agrococcus citreus Wieser et al. 1999, sp. nov.
Agrococcus jejuensis Lee 2008, sp. nov.
Agrococcus jenensis Groth et al. 1996, sp. nov.
Agrococcus lahaulensis Mayilraj et al. 2006, sp. nov.
Agrococcus terreus Zhang et al. 2010, sp. nov.
Agrococcus versicolor Behrendt et al. 2008, sp. nov.

¤ Agromonas Ohta and Hattori 1985, gen. nov.
Agromonas oligotrophica Ohta and Hattori 1985, sp. nov.

¤ Agromyces Gledhill and Casida 1969 (Approved Lists 1980), genus.
Agromyces albus Dorofeeva et al. 2003, sp. nov.
Agromyces allii Jung et al. 2007, sp. nov.
Agromyces atrinae Park et al. 2010, sp. nov.
Agromyces aurantiacus Li et al. 2003, sp. nov.
Agromyces bauzanensis Zhang et al. 2010, sp. nov.
Agromyces bracchium Takeuchi and Hatano 2001, sp. nov.
Agromyces cerinus Zgurskaya et al. 1992, sp. nov.
Agromyces cerinus subsp. cerinus Zgurskaya et al. 1992, subsp. nov.
Agromyces cerinus subsp. nitratus Zgurskaya et al. 1992, subsp. nov.
Agromyces flavus Chen et al. 2011, sp. nov.
Agromyces fucosus Zgurskaya et al. 1992, sp. nov.
Agromyces fucosus subsp. fucosus Zgurskaya et al. 1992, subsp. nov.
Agromyces fucosus subsp. hippuratus Zgurskaya et al. 1992, subsp. nov.
Agromyces hippuratus (Zgurskaya et al. 1992) Ortiz-Martinez et al. 2004, comb. nov.
Agromyces humatus Jurado et al. 2005, sp. nov.
Agromyces italicus Jurado et al. 2005, sp. nov.
Agromyces lapidis Jurado et al. 2005, sp. nov.
Agromyces luteolus Takeuchi and Hatano 2001, sp. nov.
Agromyces mediolanus (ex Mamoli 1939) Suzuki et al. 1996, nom. rev., comb. nov.
Agromyces neolithicus Jurado et al. 2005, sp. nov.
Agromyces ramosus Gledhill and Casida 1969 (Approved Lists 1980), species.
Agromyces rhizospherae Takeuchi and Hatano 2001, sp. nov.
Agromyces salentinus Jurado et al. 2005, sp. nov.
Agromyces soli Lee et al. 2011, sp. nov.
Agromyces subbeticus Jurado et al. 2005, sp. nov.
Agromyces terreus Yoon et al. 2008, sp. nov.
Agromyces tropicus Thawai et al. 2011, sp. nov.
Agromyces ulmi Rivas et al. 2004, sp. nov.

¤ Ahrensia Uchino et al. 1999, gen. nov.
Ahrensia kielensis corrig. (ex Ahrens 1968) Uchino et al. 1999, sp. nov., nom. rev.

¤ Aidingimonas Wang et al. 2009, gen. nov.
Aidingimonas halophila Wang et al. 2009, sp. nov.

¤ Akkermansia Derrien et al. 2004, gen. nov.
Akkermansia muciniphila Derrien et al. 2004, sp. nov.

¤ Akkermansiaceae Hedlund and Derrien 2012, fam. nov.

¤ Albibacter Doronina et al. 2001, gen. nov.
Albibacter methylovorans Doronina et al. 2001, sp. nov.

¤ Albidiferax corrig. Ramana and Sasikala 2009, gen. nov.
Albidiferax ferrireducens corrig. (Finneran et al. 2003) Ramana and Sasikala 2009, comb. nov.

¤ Albidovulum Albuquerque et al. 2003, gen. nov.
Albidovulum inexpectatum Albuquerque et al. 2003, sp. nov.

¤ Albimonas Lim et al. 2008, gen. nov.
Albimonas donghaensis Lim et al. 2008, sp. nov.

¤ Alcaligenaceae De Ley et al. 1986, fam. nov.

¤ Alcaligenes Castellani and Chalmers 1919 (Approved Lists 1980), genus.
Alcaligenes aestus Baumann et al. 1972 (Approved Lists 1980), species.
Alcaligenes aquamarinus (ZoBell and Upham 1944) Hendrie et al. 1974 (Approved Lists 1980), species.
Alcaligenes aquatilis Van Trappen et al. 2005, sp. nov.
Alcaligenes cupidus Baumann et al. 1972 (Approved Lists 1980), species.
Alcaligenes defragrans Foss et al. 1998, sp. nov.
Alcaligenes denitrificans (ex Leifson and Hugh 1954) Rüger and Tan 1983, sp. nov., nom. rev.
Alcaligenes denitrificans subsp. denitrificans (Rüger and Tan 1983) Kersters and De Ley 1984, subsp. nov.
Alcaligenes denitrificans subsp. xylosoxydans (Yabuuchi and Yano 1981) Kersters and De Ley 1984, comb. nov.
Alcaligenes eutrophus Davis 1969 (Approved Lists 1980), species.
Alcaligenes faecalis Castellani and Chalmers 1919 (Approved Lists 1980), species.
Alcaligenes faecalis subsp. faecalis (Castellani and Chalmers 1919) Austin et al. 1981, subsp. nov.
Alcaligenes faecalis subsp. homari Austin et al. 1981, subsp. nov.
Alcaligenes faecalis subsp. parafaecalis Schroll et al. 2001, subsp. nov.
Alcaligenes faecalis subsp. phenolicus Rehfuss and Urban 2006, subsp. nov.
Alcaligenes latus Palleroni and Palleroni 1978 (Approved Lists 1980), species.
Alcaligenes pacificus corrig. Baumann et al. 1972 (Approved Lists 1980), species.
Alcaligenes paradoxus Davis 1969 (Approved Lists 1980), species.
Alcaligenes piechaudii Kiredjian et al. 1986, sp. nov.
Alcaligenes ruhlandii (Packer and Vishniac 1955) Aragno and Schlegel 1977 (Approved Lists 1980), species.
Alcaligenes venustus Baumann et al. 1972 (Approved Lists 1980), species.
Alcaligenes xylosoxidans (Yabuuchi and Yano 1981) Kiredjian et al. 1986, comb. nov.
Alcaligenes xylosoxidans subsp. denitrificans (Rüger and Tan 1983) Kiredjian et al. 1986, comb. nov.
Alcaligenes xylosoxidans subsp. xylosoxidans (Yabuuchi and Yano 1981) Kiredjian et al. 1986, comb. nov.

¤ Alcanivoracaceae corrig. Golyshin et al. 2005, fam. nov.

¤ Alcanivorax Yakimov et al. 1998, gen. nov.
Alcanivorax balearicus Rivas et al. 2007, sp. nov.
Alcanivorax borkumensis Yakimov et al. 1998, sp. nov.
Alcanivorax dieselolei Liu and Shao 2005, sp. nov.
Alcanivorax hongdengensis Wu et al. 2009, sp. nov.
Alcanivorax jadensis (Bruns and Berthe-Corti 1999) Fernández-Martínez et al. 2003, comb. nov.
Alcanivorax pacificus Lai et al. 2011, sp. nov.
Alcanivorax venustensis Fernández-Martínez et al. 2003, sp. nov.

¤ Algibacter Nedashkovskaya et al. 2004, gen. nov.
Algibacter lectus Nedashkovskaya et al. 2004, sp. nov.
Algibacter mikhailovii Nedashkovskaya et al. 2007, sp. nov.

¤ Algicola Ivanova et al. 2004, gen. nov.
Algicola bacteriolytica (Sawabe et al. 1998) Ivanova et al. 2004, comb. nov.
Algicola sagamiensis (Kobayashi et al. 2003) Nam et al. 2007, comb. nov.

¤ Algoriphagus Bowman et al. 2003, gen. nov.
Algoriphagus alkaliphilus (Tiago et al. 2006) Nedashkovskaya et al. 2007, comb. nov.
Algoriphagus antarcticus Van Trappen et al. 2004, sp. nov.
Algoriphagus aquatilis Liu et al. 2009, sp. nov.
Algoriphagus aquimarinus Nedashkovskaya et al. 2004, sp. nov.
Algoriphagus boritolerans (Ahmed et al. 2007) Nedashkovskaya et al. 2007, comb. nov.
Algoriphagus chordae Nedashkovskaya et al. 2004, sp. nov.
Algoriphagus faecimaris Li et al. 2011, sp. nov.
Algoriphagus halophilus (Yi and Chun 2004) Nedashkovskaya et al. 2004, comb. nov.
Algoriphagus hitonicola Copa-Patiño et al. 2008, sp. nov.
Algoriphagus jejuensis Lee et al. 2012, sp. nov.
Algoriphagus locisalis Yoon et al. 2005, sp. nov.
Algoriphagus lutimaris Park et al. 2010, sp. nov.
Algoriphagus mannitolivorans (Yi and Chun 2004) Nedashkovskaya et al. 2007, comb. nov.
Algoriphagus marincola (Yoon et al. 2004) Nedashkovskaya et al. 2007, comb. nov.
Algoriphagus olei Young et al. 2009, sp. nov.
Algoriphagus ornithinivorans (Yi and Chun 2004) Nedashkovskaya et al. 2007, comb. nov.
Algoriphagus ratkowskyi Bowman et al. 2003, sp. nov.
Algoriphagus terrigena Yoon et al. 2006, sp. nov.
Algoriphagus vanfongensis Nedashkovskaya et al. 2007, sp. nov.
Algoriphagus winogradskyi Nedashkovskaya et al. 2004, sp. nov.
Algoriphagus yeomjeoni Yoon et al. 2005, sp. nov.

¤ Aliagarivorans Jean et al. 2009, gen. nov.
Aliagarivorans marinus Jean et al. 2009, sp. nov.
Aliagarivorans taiwanensis Jean et al. 2009, sp. nov.

¤ Alicycliphilus Mechichi et al. 2003, gen. nov.
Alicycliphilus denitrificans Mechichi et al. 2003, sp. nov.

¤ Alicyclobacillaceae da Costa and Rainey 2010, fam. nov.

¤ Alicyclobacillus Wisotzkey et al. 1992, gen. nov.
Alicyclobacillus acidiphilus Matsubara et al. 2002, sp. nov.
Alicyclobacillus acidocaldarius (Darland and Brock 1971) Wisotzkey et al. 1992, comb. nov.
Alicyclobacillus acidocaldarius subsp. acidocaldarius (Darland and Brock 1971) Nicolaus et al. 2002, subsp. nov.
Alicyclobacillus acidocaldarius subsp. rittmannii Nicolaus et al. 2002, subsp. nov.
Alicyclobacillus acidoterrestris (Deinhard et al. 1988) Wisotzkey et al. 1992, comb. nov.
Alicyclobacillus aeris Guo et al. 2009, sp. nov.
Alicyclobacillus contaminans Goto et al. 2007, sp. nov.
Alicyclobacillus cycloheptanicus (Deinhard et al. 1988) Wisotzkey et al. 1992, comb. nov.
Alicyclobacillus disulfidooxidans (Dufresne et al. 1996) Karavaiko et al. 2005, comb. nov.
Alicyclobacillus fastidiosus Goto et al. 2007, sp. nov.
Alicyclobacillus ferrooxydans Jiang et al. 2008, sp. nov.
Alicyclobacillus herbarius Goto et al. 2002, sp. nov.
Alicyclobacillus hesperidum Albuquerque et al. 2000, sp. nov.
Alicyclobacillus kakegawensis Goto et al. 2007, sp. nov.
Alicyclobacillus macrosporangiidus Goto et al. 2007, sp. nov.
Alicyclobacillus pohliae Imperio et al. 2008, sp. nov.
Alicyclobacillus pomorum Goto et al. 2003, sp. nov.
Alicyclobacillus sacchari Goto et al. 2007, sp. nov.
Alicyclobacillus sendaiensis Tsuruoka et al. 2003, sp. nov.
Alicyclobacillus shizuokensis Goto et al. 2007, sp. nov.
Alicyclobacillus tolerans Karavaiko et al. 2005, sp. nov.
Alicyclobacillus vulcanalis Simbahan et al. 2004, sp. nov.

¤ Aliidiomarina Huang et al. 2012, gen. nov.
Aliidiomarina taiwanensis Huang et al. 2012, sp. nov.

¤ Aliivibrio Urbanczyk et al. 2007, gen. nov.
Aliivibrio finisterrensis Beaz-Hidalgo et al. 2010, sp. nov.
Aliivibrio fischeri (Beijerinck 1889) Urbanczyk et al. 2007, comb. nov.
Aliivibrio logei (Harwood et al. 1980) Urbanczyk et al. 2007, comb. nov.
Aliivibrio salmonicida (Egidius et al. 1986) Urbanczyk et al. 2007, comb. nov.
Aliivibrio sifiae Yoshizawa et al. 2011, sp. nov.
Aliivibrio wodanis (Lunder et al. 2000) Urbanczyk et al. 2007, comb. nov.

¤ Alishewanella Fonnesbech Vogel et al. 2000, gen. nov.
Alishewanella aestuarii Roh et al. 2009, sp. nov.
Alishewanella agri Kim et al. 2010, sp. nov.
Alishewanella fetalis Fonnesbech Vogel et al. 2000, sp. nov.
Alishewanella jeotgali Kim et al. 2009, sp. nov.

¤ Alistipes Rautio et al. 2003, gen. nov.
Alistipes finegoldii Rautio et al. 2003, sp. nov.
Alistipes indistinctus Nagai et al. 2010, sp. nov.
Alistipes onderdonkii Song et al. 2006, sp. nov.
Alistipes putredinis (Weinberg et al. 1937) Rautio et al. 2003, comb. nov.
Alistipes shahii Song et al. 2006, sp. nov.

¤ Alkalibacillus Jeon et al. 2005, gen. nov.
Alkalibacillus haloalkaliphilus (Fritze 1996) Jeon et al. 2005, comb. nov.
Alkalibacillus halophilus Tian et al. 2009, sp. nov.
Alkalibacillus filiformis Romano et al. 2005, sp. nov.
Alkalibacillus salilacus Jeon et al. 2005, sp. nov.
Alkalibacillus silvisoli Usami et al. 2007, sp. nov.

¤ Alkalibacter Garnova et al. 2005, gen. nov.
Alkalibacter saccharofermentans Garnova et al. 2005, sp. nov.

¤ Alkalibacterium Ntougias and Russell 2001, gen. nov.
Alkalibacterium iburiense Nakajima et al. 2005, sp. nov.
Alkalibacterium indicireducens Yumoto et al. 2008, sp. nov.
Alkalibacterium kapii Ishikawa et al. 2009, sp. nov.
Alkalibacterium olivapovliticus corrig. Ntougias and Russell 2001, sp. nov.
Alkalibacterium pelagium Ishikawa et al. 2009, sp. nov.
Alkalibacterium putridalgicola Ishikawa et al. 2009, sp. nov.
Alkalibacterium psychrotolerans Yumoto et al. 2004, sp. nov.
Alkalibacterium subtropicum Ishikawa et al. 2011, sp. nov.
Alkalibacterium thalassium Ishikawa et al. 2009, sp. nov.

¤ Alkalibaculum Allen et al. 2010, gen. nov.
Alkalibaculum bacchi Allen et al. 2010, sp. nov.

¤ Alkaliflexus Zhilina et al. 2005, gen. nov.
Alkaliflexus imshenetskii Zhilina et al. 2005, sp. nov.

¤ Alkalilimnicola corrig. Yakimov et al. 2001, gen. nov.
Alkalilimnicola ehrlichii Hoeft et al. 2007, sp. nov.
Alkalilimnicola halodurans corrig. Yakimov et al. 2001, sp. nov.

¤ Alkalimonas Ma et al. 2007, gen. nov.
Alkalimonas amylolytica Ma et al. 2007, sp. nov.
Alkalimonas collagenimarina Kurata et al. 2007, sp. nov.
Alkalimonas delamerensis Ma et al. 2007, sp. nov.

¤ Alkaliphilus Takai et al. 2001, gen. nov.
Alkaliphilus crotonatoxidans Cao et al. 2003, sp. nov.
Alkalibacillus flavidus Yoon et al. 2010, sp. nov.
Alkaliphilus halophilus Wu et al. 2010, sp. nov.
Alkaliphilus oremlandii Fisher et al. 2009, sp. nov.
Alkaliphilus peptidifermentans corrig. Zhilina et al. 2009, sp. nov.
Alkaliphilus transvaalensis Takai et al. 2001, sp. nov.

¤ Alkalispirillum Rijkenberg et al. 2002, gen. nov.
Alkalispirillum mobile Rijkenberg et al. 2002, sp. nov.

¤ Alkanibacter Friedrich and Lipski 2008, gen. nov.
Alkanibacter difficilis Friedrich and Lipski 2008, sp. nov.

¤ Alkanindiges Bogan et al. 2003, gen. nov.
Alkanindiges illinoisensis Bogan et al. 2003, sp. nov.

¤ Allisonella Garner et al. 2003, gen. nov.
Allisonella histaminiformans Garner et al. 2003, sp. nov.

¤ Alloactinosynnema Yuan et al. 2010, gen. nov.
Alloactinosynnema album Yuan et al. 2010, sp. nov.

¤ Allobacillus Sheu et al. 2011, gen. nov.
Allobacillus halotolerans Sheu et al. 2011, sp. nov.

¤ Allobaculum Greetham et al. 2006, gen. nov.
Allobaculum stercoricanis Greetham et al. 2006, sp. nov.

¤ Allocatelliglobosispora Lee and Lee 2011, gen. nov.
Allocatelliglobosispora scoriae Lee and Lee 2011, sp. nov.

¤ Allochromatium Imhoff et al. 1998, gen. nov.
Allochromatium minutissimum (Winogradsky 1888) Imhoff et al. 1998, comb. nov.
Allochromatium phaeobacterium Srinivas et al. 2009, sp. nov.
Allochromatium renukae Anil Kumar et al. 2008, sp. nov.
Allochromatium vinosum (Ehrenberg 1838) Imhoff et al. 1998, comb. nov.
Allochromatium warmingii (Cohn 1875) Imhoff et al. 1998, comb. nov.

¤ Allofustis Collins et al. 2003, gen. nov.
Allofustis seminis Collins et al. 2003, sp. nov.

¤ Alloiococcus Aguirre and Collins 1992, gen. nov.
Alloiococcus otitis Aguirre and Collins 1992, sp. nov.

¤ Allokutzneria Labeda and Kroppenstedt 2008, gen. nov.
Allokutzneria albata (Tomita et al. 1993) Labeda and Kroppenstedt 2008, comb. nov.

¤ Allomonas Kalina et al. 1984, gen. nov.
Allomonas enterica Kalina et al. 1984, sp. nov.

¤ Allorhizobium de Lajudie et al. 1998, gen. nov.
Allorhizobium undicola de Lajudie et al. 1998, sp. nov.

¤ Alloscardovia Huys et al. 2007, gen. nov.
Alloscardovia omnicolens Huys et al. 2007, sp. nov.

¤ Alphabacteria Cavalier-Smith 2002, class. nov.

¤ Alphaproteobacteria Garrity et al. 2006, class. nov.

¤ Altererythrobacter Kwon et al. 2007, gen. nov.
Altererythrobacter aestuarii Park et al. 2011, sp. nov.
Altererythrobacter dongtanensis Fan et al. 2011, sp. nov.
Altererythrobacter epoxidivorans Kwon et al. 2007, sp. nov.
Altererythrobacter indicus Ramesh Kumar et al. 2008, sp. nov.
Altererythrobacter ishigakiensis Matsumoto et al. 2011, sp. nov.
Altererythrobacter luteolus (Yoon et al. 2005) Kwon et al. 2007, comb. nov.
Altererythrobacter marensis Seo and Lee 2010, sp. nov.
Altererythrobacter marinus Lai et al. 2009, sp. nov.
Altererythrobacter namhicola Park et al. 2011, sp. nov.
Altererythrobacter xinjiangensis Xue et al. 2012, sp. nov.

¤ Alterococcus Shieh and Jean 1999, gen. nov.
Alterococcus agarolyticus Shieh and Jean 1999, sp. nov.

¤ Alteromonadaceae Ivanova and Mikhailov 2001, fam. nov.

¤ Alteromonadales Bowman and McMeekin 2005, ord. nov.

¤ Alteromonas Baumann et al. 1972 (Approved Lists 1980), genus.
Alteromonas addita Ivanova et al. 2005, sp. nov.
Alteromonas atlantica Akagawa-Matsushita et al. 1992, sp. nov.
Alteromonas aurantia Gauthier and Breittmayer 1979 (Approved Lists 1980), species.
Alteromonas carrageenovora Akagawa-Matsushita et al. 1992, sp. nov.
Alteromonas citrea Gauthier 1977 (Approved Lists 1980), species.
Alteromonas colwelliana Weiner et al. 1988, sp. nov.
Alteromonas communis Baumann et al. 1972 (Approved Lists 1980), species.
Alteromonas denitrificans Enger et al. 1987, sp. nov.
Alteromonas distincta Romanenko et al. 1995, sp. nov.
Alteromonas elyakovii Ivanova et al. 1997, sp. nov.
Alteromonas espejiana Chan et al. 1978 (Approved Lists 1980), species.
Alteromonas fuliginea Romanenko et al. 1995, sp. nov.
Alteromonas genovensis Vandecandelaere et al. 2008, sp. nov.
Alteromonas haloplanktis (ZoBell and Upham 1944) Reichelt and Baumann 1973 (Approved Lists 1980), species.
Alteromonas hanedai Jensen et al. 1981, sp. nov.
Alteromonas hispanica Martínez-Checa et al. 2005, sp. nov.
Alteromonas litorea Yoon et al. 2004, sp. nov.
Alteromonas luteoviolacea (ex Gauthier 1976) Gauthier 1982, sp. nov., nom. rev.
Alteromonas macleodii Baumann et al. 1972 (Approved Lists 1980), species.
Alteromonas marina Yoon et al. 2003, sp. nov.
Alteromonas nigrifaciens (ex White 1940) Baumann et al. 1984, nom. rev., comb. nov.
Alteromonas putrefaciens (ex Derby and Hammer) Lee et al. 1981, nom. rev., comb. nov.
Alteromonas rubra Gauthier 1976 (Approved Lists 1980), species.
Alteromonas simiduii Chiu et al. 2007, sp. nov.
Alteromonas stellipolaris Van Trappen et al. 2004, sp. nov.
Alteromonas tagae Chiu et al. 2007, sp. nov.
Alteromonas tetraodonis Simidu et al. 1990, sp. nov.
Alteromonas undina Chan et al. 1978 (Approved Lists 1980), species.
Alteromonas vaga Baumann et al. 1972 (Approved Lists 1980), species.

¤ Alysiella Langeron 1923 (Approved Lists 1980), genus.
Alysiella crassa (Schmid 1922) Xie and Yokota 2005, comb. nov.
Alysiella filiformis (Schmid 1922) Langeron 1923 (Approved Lists 1980), species.

¤ Amaricoccus Maszenan et al. 1997, gen. nov.
Amaricoccus kaplicensis Maszenan et al. 1997, sp. nov.
Amaricoccus macauensis Maszenan et al. 1997, sp. nov.
Amaricoccus tamworthensis Maszenan et al. 1997, sp. nov.
Amaricoccus veronensis Maszenan et al. 1997, sp. nov.

¤ Ameyamaea Yukphan et al. 2010, gen. nov.
Ameyamaea chiangmaiensis Yukphan et al. 2010, sp. nov.

¤ Aminiphilus Díaz et al. 2007, gen. nov.
Aminiphilus circumscriptus Díaz et al. 2007, sp. nov.

¤ Aminobacter Urakami et al. 1992, gen. nov.
Aminobacter aganoensis Urakami et al. 1992, sp. nov.
Aminobacter aminovorans (den Dooren de Jong 1926) Urakami et al. 1992, comb. nov.
Aminobacter ciceronei McDonald et al. 2005, sp. nov.
Aminobacter lissarensis McDonald et al. 2005, sp. nov.
Aminobacter niigataensis Urakami et al. 1992, sp. nov.

¤ Aminobacterium Baena et al. 1999, gen. nov.
Aminobacterium colombiense Baena et al. 1999, sp. nov.
Aminobacterium mobile Baena et al. 2000, sp. nov.

¤ Aminomonas Baena et al. 1999, gen. nov.
Aminomonas paucivorans Baena et al. 1999, sp. nov.

¤ Ammonifex Huber and Stetter 1996, gen. nov.
Ammonifex degensii Huber and Stetter 1996, sp. nov.
Ammonifex thiophilus Miroshnichenko et al. 2008, sp. nov.

¤ Ammoniphilus Zaitsev et al. 1998, gen. nov.
Ammoniphilus oxalaticus Zaitsev et al. 1998, sp. nov.
Ammoniphilus oxalivorans Zaitsev et al. 1998, sp. nov.

¤ Amnibacterium Kim and Lee 2011, gen. nov.
Amnibacterium kyonggiense Kim and Lee 2011, sp. nov.

¤ Amoebobacter Winogradsky 1888 (Approved Lists 1980), genus.
Amoebobacter pedioformis Eichler and Pfennig 1987, sp. nov.
Amoebobacter pendens (Molisch 1906) Pfennig and Trüper 1971 (Approved Lists 1980), species.
Amoebobacter purpureus Eichler and Pfennig 1989, sp. nov.
Amoebobacter roseus Winogradsky 1888 (Approved Lists 1980), species.

¤ Amorphosporangium Couch 1963 (Approved Lists 1980), genus.
Amorphosporangium auranticolor Couch 1963 (Approved Lists 1980), species.
Amorphosporangium globisporum Thiemann 1967 (Approved Lists 1980), species.

¤ Amorphus Zeevi Ben Yosef et al. 2008, gen. nov.
Amorphus coralli Zeevi Ben Yosef et al. 2008, sp. nov.
Amorphus orientalis Wang et al. 2010, sp. nov.

¤ Amphibacillus Niimura et al. 1990, gen. nov.
Amphibacillus fermentum Zhilina et al. 2002, sp. nov.
Amphibacillus jilinensis Wu et al. 2010, sp. nov.
Amphibacillus sediminis An et al. 2007, sp. nov.
Amphibacillus tropicus Zhilina et al. 2002, sp. nov.
Amphibacillus xylanus Niimura et al. 1990, sp. nov.

¤ Amphritea Gärtner et al. 2008, gen. nov.
Amphritea atlantica Gärtner et al. 2008, sp. nov.
Amphritea balenae Miyazaki et al. 2008, sp. nov.
Amphritea japonica Miyazaki et al. 2008, sp. nov.

¤ Ampullariella Couch 1964 (Approved Lists 1980), genus.
Ampullariella campanulata (Couch 1963) Couch 1964 (Approved Lists 1980), species.
Ampullariella digitata (Couch 1963) Couch 1964 (Approved Lists 1980), species.
Ampullariella lobata (Couch 1963) Couch 1964 (Approved Lists 1980), species.
Ampullariella regularis (Couch 1963) Couch 1964 (Approved Lists 1980), species.

¤ Amycolata Lechevalier et al. 1986, gen. nov.
Amycolata alni Evtushenko et al. 1989, sp. nov.
Amycolata autotrophica (Takamiya and Tubaki 1956) Lechevalier et al. 1986, comb. nov.
Amycolata hydrocarbonoxydans (Nolof and Hirsch 1962) Lechevalier et al. 1986, comb. nov.
Amycolata saturnea (Hirsch 1960) Lechevalier et al. 1986, comb. nov.

¤ Amycolatopsis Lechevalier et al. 1986, gen. nov.
Amycolatopsis alba Mertz and Yao 1993, sp. nov.
Amycolatopsis albidoflavus Lee and Hah 2001, sp. nov.
Amycolatopsis australiensis Tan et al. 2006, sp. nov.
Amycolatopsis azurea (Ōmura et al. 1983) Henssen et al. 1987, comb. nov.
Amycolatopsis balhimycina Wink et al. 2003, sp. nov.
Amycolatopsis benzoatilytica Majumdar et al. 2006, sp. nov.
Amycolatopsis coloradensis Labeda 1995, sp. nov.
Amycolatopsis decaplanina Wink et al. 2004, sp. nov.
Amycolatopsis echigonensis Ding et al. 2007, sp. nov.
Amycolatopsis eurytherma Kim et al. 2002, sp. nov.
Amycolatopsis fastidiosa (ex Celmer et al. 1977) Henssen et al. 1987, nom. rev., comb. nov.
Amycolatopsis halophila Tang et al. 2010, sp. nov.
Amycolatopsis halotolerans Lee 2006, sp. nov.
Amycolatopsis helveola Tamura et al. 2010, sp. nov.
Amycolatopsis japonica corrig. Goodfellow et al. 1997, sp. nov.
Amycolatopsis jejuensis Lee 2006, sp. nov.
Amycolatopsis kentuckyensis Labeda et al. 2003, sp. nov.
Amycolatopsis keratiniphila Al-Musallam et al. 2003, sp. nov.
Amycolatopsis keratiniphila subsp. keratiniphila (Al-Musallam et al. 2003) Wink et al. 2003, subsp. nov.
Amycolatopsis keratiniphila subsp. nogabecina Wink et al. 2003, subsp. nov.
Amycolatopsis lexingtonensis Labeda et al. 2003, sp. nov.
Amycolatopsis lurida (Lechevalier et al. 1986) Stackebrandt et al. 2004, comb. nov.
Amycolatopsis marina Bian et al. 2009, sp. nov.
Amycolatopsis mediterranei (Margalith and Beretta 1960) Lechevalier et al. 1986, comb. nov.
Amycolatopsis methanolica de Boer et al. 1990, sp. nov.
Amycolatopsis minnesotensis Lee et al. 2006, sp. nov.
Amycolatopsis nigrescens Groth et al. 2007, sp. nov.
Amycolatopsis niigatensis Ding et al. 2007, sp. nov.
Amycolatopsis orientalis (Pittenger and Brigham 1956) Lechevalier et al. 1986, comb. nov.
Amycolatopsis orientalis subsp. lurida (ex Grundy et al. 1957) Lechevalier et al. 1986, nom. rev., comb. nov.
Amycolatopsis orientalis subsp. orientalis (Pittenger and Brigham 1956) Lechevalier et al. 1986, subsp. nov.
Amycolatopsis palatopharyngis Huang et al. 2004, sp. nov.
Amycolatopsis pigmentata Tamura et al. 2010, sp. nov.
Amycolatopsis plumensis Saintpierre-Bonaccio et al. 2005, sp. nov.
Amycolatopsis pretoriensis Labeda et al. 2003, sp. nov.
Amycolatopsis regifaucium Tan et al. 2007, sp. nov.
Amycolatopsis rifamycinica Bala et al. 2004, sp. nov.
Amycolatopsis rubida Huang et al. 2001, sp. nov.
Amycolatopsis rugosa (ex di Marco and Spalla 1957) Lechevalier et al. 1986, nom. rev., comb. nov.
Amycolatopsis saalfeldensis Carlsohn et al. 2007, sp. nov.
Amycolatopsis sacchari Goodfellow et al. 2001, sp. nov.
Amycolatopsis salitolerans Guan et al. 2012, sp. nov.
Amycolatopsis samaneae Duangmal et al. 2011, sp. nov.
Amycolatopsis sulphurea Lechevalier et al. 1986, sp. nov.
Amycolatopsis taiwanensis Tseng et al. 2006, sp. nov.
Amycolatopsis thailandensis Chomchoei et al. 2011, sp. nov.
Amycolatopsis thermoflava Chun et al. 1999, sp. nov.
Amycolatopsis thermophila Zucchi et al. 2012, sp. nov.
Amycolatopsis tolypomycina Wink et al. 2003, sp. nov.
Amycolatopsis tucumanensis Albarracín et al. 2010, sp. nov.
Amycolatopsis ultiminotia Lee 2009, sp. nov.
Amycolatopsis vancoresmycina Wink et al. 2003, sp. nov.
Amycolatopsis viridis Zucchi et al. 2012, sp. nov.
Amycolatopsis xylanica Chen et al. 2010, sp. nov.

¤ Amycolicicoccus Wang et al. 2010, gen. nov.
Amycolicicoccus subflavus Wang et al. 2010, sp. nov.

¤ Anaeroarcus Strömpl et al. 1999, gen. nov.
Anaeroarcus burkinensis corrig. (Ouattara et al. 1992) Strömpl et al. 1999, comb. nov.

¤ Anaerobacillus Zavarzina et al. 2010, gen. nov.
Anaerobacillus alkalidiazotrophicus (Sorokin et al. 2008) Zavarzina et al. 2010, comb. nov.
Anaerobacillus alkalilacustris corrig. Zavarzina et al. 2010, sp. nov.
Anaerobacillus arseniciselenatis (Switzer Blum et al. 2001) Zavarzina et al. 2010, comb.

¤ Anaerobacter Duda et al. 1996, gen. nov.
Anaerobacter polyendosporus Duda et al. 1996, sp. nov.

¤ Anaerobaculum Rees et al. 1997, gen. nov.
Anaerobaculum mobile Menes and Muxí 2002, sp. nov.
Anaerobaculum thermoterrenum Rees et al. 1997, sp. nov.

¤ Anaerobiospirillum Davis et al. 1976 (Approved Lists 1980), genus.
Anaerobiospirillum succiniciproducens Davis et al. 1976 (Approved Lists 1980), species.
Anaerobiospirillum thomasii Malnick 1997, sp. nov.

¤ Anaerobranca Engle et al. 1995, gen. nov.
Anaerobranca californiensis Gorlenko et al. 2004, sp. nov.
Anaerobranca gottschalkii Prowe and Antranikian 2001, sp. nov.
Anaerobranca horikoshii Engle et al. 1995, sp. nov.
Anaerobranca zavarzinii Kevbrin et al. 2008, sp. nov.

¤ Anaerococcus Ezaki et al. 2001, gen. nov.
Anaerococcus hydrogenalis (Ezaki et al. 1990) Ezaki et al. 2001, comb. nov.
Anaerococcus lactolyticus (Li et al. 1992) Ezaki et al. 2001, comb. nov.
Anaerococcus murdochii Song et al. 2010, sp. nov.
Anaerococcus octavius (Murdoch et al. 1997) Ezaki et al. 2001, comb. nov.
Anaerococcus prevotii (Foubert and Douglas 1948) Ezaki et al. 2001, comb. nov.
Anaerococcus tetradius (Ezaki et al. 1983) Ezaki et al. 2001, comb. nov.
Anaerococcus vaginalis (Li et al. 1992) Ezaki et al. 2001, comb. nov.

¤ Anaerofilum Zellner et al. 1996, gen. nov.
Anaerofilum agile Zellner et al. 1996, sp. nov.
Anaerofilum pentosovorans Zellner et al. 1996, sp. nov.

¤ Anaerofustis Finegold et al. 2004, gen. nov.
Anaerofustis stercorihominis Finegold et al. 2004, sp. nov.

¤ Anaeroglobus Carlier et al. 2002, gen. nov.
Anaeroglobus geminatus Carlier et al. 2002, sp. nov.

¤ Anaerolinea Sekiguchi et al. 2003, gen. nov.
Anaerolinea thermolimosa Yamada et al. 2006, sp. nov.
Anaerolinea thermophila Sekiguchi et al. 2003, sp. nov.

¤ Anaerolineaceae Yamada et al. 2006, fam. nov.

¤ Anaerolineae Yamada et al. 2006, class. nov.

¤ Anaerolineales Yamada et al. 2006, ord. nov.

¤ Anaeromusa Baena et al. 1999, gen. nov.
Anaeromusa acidaminophila Baena et al. 1999, sp. nov.

¤ Anaeromyxobacter Sanford et al. 2002, gen. nov.
Anaeromyxobacter dehalogenans Sanford et al. 2002, sp. nov.

¤ Anaerophaga Denger et al. 2002, gen. nov.
Anaerophaga thermohalophila Denger et al. 2002, sp. nov.

¤ Anaeroplasma Robinson et al. 1975 (Approved Lists 1980), genus.
Anaeroplasma abactoclasticum Robinson et al. 1975 (Approved Lists 1980), species.
Anaeroplasma bactoclasticum (Robinson and Hungate 1973) Robinson and Allison 1975 (Approved Lists 1980), species.
Anaeroplasma intermedium Robinson and Freundt 1987, sp. nov.
Anaeroplasma varium Robinson and Freundt 1987, sp. nov.

¤ Anaeroplasmataceae Robinson and Freundt 1987, fam. nov.

¤ Anaeroplasmatales Robinson and Freundt 1987, ord. nov.

¤ Anaerorhabdus Shah and Collins 1986, gen. nov.
Anaerorhabdus furcosa corrig. (Veillon and Zuber 1898) Shah and Collins 1986, comb. nov.

¤ Anaerosinus Strömpl et al. 1999, gen. nov.
Anaerosinus glycerini (Schauder and Schink 1996) Strömpl et al. 1999, comb. nov.

¤ Anaerosphaera Ueki et al. 2009, gen. nov.
Anaerosphaera aminiphila Ueki et al. 2009, sp. nov.

¤ Anaerosporobacter Jeong et al. 2007, gen. nov.
Anaerosporobacter mobilis Jeong et al. 2007, sp. nov.

¤ Anaerostipes Schwiertz et al. 2002, gen. nov.
Anaerostipes butyraticus Eeckhaut et al. 2010, sp. nov.
Anaerostipes caccae Schwiertz et al. 2002, sp. nov.

¤ Anaerotruncus Lawson et al. 2004, gen. nov.
Anaerotruncus colihominis Lawson et al. 2004, sp. nov.

¤ Anaerovibrio Hungate 1966 (Approved Lists 1980), genus.
Anaerovibrio burkinabensis Ouattara et al. 1992, sp. nov.
Anaerovibrio glycerini Schauder and Schink 1996, sp. nov.
Anaerovibrio lipolyticus corrig. Hungate 1966 (Approved Lists 1980), species.

¤ Anaerovirgula Pikuta et al. 2006, gen. nov.
Anaerovirgula multivorans Pikuta et al. 2006, sp. nov.

¤ Anaerovorax Matthies et al. 2000, gen. nov.
Anaerovorax odorimutans Matthies et al. 2000, sp. nov.

¤ Anaplasma Theiler 1910 (Approved Lists 1980), genus.
Anaplasma bovis (ex Donatien and Lestoquard 1936) Dumler et al. 2001, nom. rev., comb. nov.
Anaplasma caudatum (ex Kreier and Ristic 1963) Ristic and Kreier 1984, nom. rev., comb. nov.
Anaplasma centrale (ex Theiler 1911) Ristic and Kreier 1984, nom. rev., comb. nov.
Anaplasma marginale Theiler 1910 (Approved Lists 1980), species.
Anaplasma ovis Lestoquard 1924 (Approved Lists 1980), species.
Anaplasma phagocytophilum corrig. (Foggie 1949) Dumler et al. 2001, comb. nov.
Anaplasma platys Dumler et al. 2001, sp. nov.

¤ Anaplasmataceae Philip 1957 (Approved Lists 1980), familia.

¤ Ancalochloris Gorlenko and Lebedeva 1971 (Approved Lists 1980), genus.
Ancalochloris perfilievii Gorlenko and Lebedeva 1971 (Approved Lists 1980), species.

¤ Ancalomicrobium Staley 1968 (Approved Lists 1980), genus.
Ancalomicrobium adetum Staley 1968 (Approved Lists 1980), species.

¤ Ancylobacter Raj 1983, gen. nov.
Ancylobacter aquaticus (Ørskov 1928) Raj 1983, comb. nov.
Ancylobacter dichloromethanicus Firsova et al. 2010, sp. nov.
Ancylobacter oerskovii Lang et al. 2008, sp. nov.
Ancylobacter polymorphus Xin et al. 2006, sp. nov.
Ancylobacter rudongensis Xin et al. 2004, sp. nov.
Ancylobacter vacuolatus Xin et al. 2006, sp. nov.

¤ Anderseniella Brettar et al. 2007, gen. nov.
Anderseniella baltica Brettar et al. 2007, sp. nov.

¤ Andreprevotia Weon et al. 2007, gen. nov.
Andreprevotia chitinilytica Weon et al. 2007, sp. nov.
Andreprevotia lacus Sheu et al. 2009, sp. nov.

¤ Aneurinibacillus Shida et al. 1996, gen. nov.
Aneurinibacillus aneurinilyticus corrig. (Shida et al. 1994) Shida et al. 1996, comb. nov.
Aneurinibacillus danicus Goto et al. 2004, sp. nov.
Aneurinibacillus migulanus (Takagi et al. 1993) Shida et al. 1996, comb. nov.
Aneurinibacillus terranovensis Allan et al. 2005, sp. nov.
Aneurinibacillus thermoaerophilus (Meier-Stauffer et al. 1996) Heyndrickx et al. 1997, comb. nov.

¤ Angiococcus (ex Jahn 1924) Hook et al. 1980, gen. nov., nom. rev.
Angiococcus disciformis (Thaxter 1904) Hook et al. 1980, comb. nov.

¤ Angulomicrobium Vasil'eva et al. 1986, gen. nov.
Angulomicrobium amanitiforme Fritz et al. 2004, sp. nov.
Angulomicrobium tetraedrale Vasil'eva et al. 1986, sp. nov.

¤ Angustibacter Tamura et al. 2010, gen. nov.
Angustibacter luteus Tamura et al. 2010, sp. nov.

¤ Anoxybacillus Pikuta et al. 2000, gen. nov.
Anoxybacillus amylolyticus Poli et al. 2006, sp. nov.
Anoxybacillus ayderensis Dulger et al. 2004, sp. nov.
Anoxybacillus bogrovensis Atanassova et al. 2008, sp. nov.
Anoxybacillus contaminans De Clerck et al. 2004, sp. nov.
Anoxybacillus eryuanensis Zhang et al. 2011, sp. nov.
Anoxybacillus flavithermus Pikuta et al. 2000, sp. nov.
Anoxybacillus flavithermus subsp. flavithermus (Pikuta et al. 2000) Dai et al. 2011, subsp. nov.
Anoxybacillus flavithermus subsp. yunnanensis Dai et al. 2011, subsp. nov.
Anoxybacillus gonensis Belduz et al. 2003, sp. nov.
Anoxybacillus kamchatkensis Kevbrin et al. 2006, sp. nov.
Anoxybacillus kestanbolensis Dulger et al. 2004, sp. nov.
Anoxybacillus mongoliensis Namsaraev et al. 2011, sp. nov.
Anoxybacillus pushchinoensis corrig. Pikuta et al. 2000, sp. nov.
Anoxybacillus rupiensis Derekova et al. 2008, sp. nov.
Anoxybacillus salavatliensis Cihan et al. 2011, sp. nov
Anoxybacillus tengchongensis Zhang et al. 2011, sp. nov.
Anoxybacillus thermarum Poli et al. 2011, sp. nov.
Anoxybacillus voinovskiensis Yumoto et al. 2004, sp. nov.

¤ Anoxynatronum Garnova et al. 2003 (authorship reads Garnova, Zhilina and Tourova), gen. nov.
Anoxynatronum sibiricum Garnova and Zhilina 2003, sp. nov.

¤ Anoxyphotobacteria (Gibbons and Murray 1978) Murray 1988, class. nov.

¤ Anoxyphotobacteriae Gibbons and Murray 1978 (Approved Lists 1980), subclassis.

¤ Antarctobacter Labrenz et al. 1998, gen. nov.
Antarctobacter heliothermus Labrenz et al. 1998, sp. nov.

¤ Aquabacter Irgens et al. 1993, gen. nov.
Aquabacter spiritensis Irgens et al. 1993, sp. nov.

¤ Aquabacterium Kalmbach et al. 1999, gen. nov.
Aquabacterium citratiphilum Kalmbach et al. 1999, sp. nov.
Aquabacterium commune Kalmbach et al. 1999, sp. nov.
Aquabacterium fontiphilum Lin et al. 2009, sp. nov.
Aquabacterium parvum Kalmbach et al. 1999, sp. nov.

¤ Aquamicrobium Bambauer et al. 1998, gen. nov.
Aquamicrobium aerolatum Kämpfer et al. 2009, sp. nov.
Aquamicrobium defluvii Bambauer et al. 1998, sp. nov.
Aquamicrobium lusatiense (Fritsche et al. 1999) Kämpfer et al. 2009, comb. nov.

¤ Aquaspirillum Hylemon et al. 1973 (Approved Lists 1980), genus.
Aquaspirillum anulus (Williams and Rittenberg 1957) Hylemon et al. 1973 (Approved Lists 1980), species.
Aquaspirillum aquaticum Hylemon et al. 1973 (Approved Lists 1980), species.
Aquaspirillum arcticum Butler et al. 1990, sp. nov.
Aquaspirillum autotrophicum Aragno and Schlegel 1978 (Approved Lists 1980), species.
Aquaspirillum bengal Kumar et al. 1974 (Approved Lists 1980), species.
Aquaspirillum delicatum (Leifson 1962) Hylemon et al. 1973 (Approved Lists 1980), species.
Aquaspirillum dispar Hylemon et al. 1973 (Approved Lists 1980), species.
Aquaspirillum fasciculus Strength et al. 1976 (Approved Lists 1980), species.
Aquaspirillum giesbergeri (Williams and Rittenberg 1957) Hylemon et al. 1973 (Approved Lists 1980), species.
Aquaspirillum gracile (Canale-Parola et al. 1966) Hylemon et al. 1973 (Approved Lists 1980), species.
Aquaspirillum itersonii (Giesberger 1936) Hylemon et al. 1973 (Approved Lists 1980), species.
Aquaspirillum itersonii subsp. itersonii (Giesberger 1936) Terasaki 1979 (Approved Lists 1980), subspecies.
Aquaspirillum itersonii subsp. nipponicum (Terasaki 1973) Terasaki 1979 (Approved Lists 1980), subspecies.
Aquaspirillum magnetotacticum Maratea and Blakemore 1981, sp. nov.
Aquaspirillum metamorphum (Terasaki 1961) Hylemon et al. 1973 (Approved Lists 1980), species.
Aquaspirillum peregrinum (Pretorius 1963) Hylemon et al. 1973 (Approved Lists 1980), species.
Aquaspirillum peregrinum subsp. integrum (Terasaki 1973) Terasaki 1979 (Approved Lists 1980), subspecies.
Aquaspirillum peregrinum subsp. peregrinum (Pretorius 1963) Terasaki 1979 (Approved Lists 1980), subspecies.
Aquaspirillum polymorphum (Williams and Rittenberg 1957) Hylemon et al. 1973 (Approved Lists 1980), species.
Aquaspirillum psychrophilum (Terasaki 1973) Terasaki 1979 (Approved Lists 1980), species.
Aquaspirillum putridiconchylium (Terasaki 1961) Hylemon et al. 1973 (Approved Lists 1980), species.
Aquaspirillum serpens (Müller 1786) Hylemon et al. 1973 (Approved Lists 1980), species.
Aquaspirillum sinuosum (Williams and Rittenberg 1957) Hylemon et al. 1973 (Approved Lists 1980), species.

¤ Aquicella Santos et al. 2004, gen. nov.
Aquicella lusitana Santos et al. 2004, sp. nov.
Aquicella siphonis Santos et al. 2004, sp. nov.

¤ Aquifex Huber and Stetter 1992, gen. nov.
Aquifex pyrophilus Huber and Stetter 1992, sp. nov.

¤ Aquificaceae Reysenbach 2002, fam. nov.

¤ Aquificae Reysenbach 2002, class. nov.

¤ Aquificae Reysenbach 2002, phyl. nov.

¤ Aquificales Reysenbach 2002, ord. nov.

¤ Aquiflexum Brettar et al. 2004, gen. nov.
Aquiflexum balticum Brettar et al. 2004, sp. nov.

¤ Aquimarina Nedashkovskaya et al. 2005, gen. nov.
Aquimarina addita Yi and Chun 2011, sp. nov.
Aquimarina brevivitae (Yoon et al. 2006) Nedashkovskaya et al. 2006, comb. nov.
Aquimarina intermedia Nedashkovskaya et al. 2006, sp. nov.
Aquimarina latercula (Lewin 1969) Nedashkovskaya et al. 2006, comb. nov.
Aquimarina macrocephali Miyazaki et al. 2010, sp. nov.
Aquimarina muelleri Nedashkovskaya et al. 2005, sp. nov.
Aquimarina spongiae Yoon et al. 2011, sp. nov.

¤ Aquimonas Saha et al. 2005, gen. nov.
Aquimonas voraii Saha et al. 2005, sp. nov.

¤ Aquincola Lechner et al. 2007, gen. nov.
Aquincola tertiaricarbonis Lechner et al. 2007, sp. nov.

¤ Aquisalibacillus Márquez et al. 2008, gen. nov.
Aquisalibacillus elongatus Márquez et al. 2008, sp. nov.

¤ Aquisalimonas Márquez et al. 2007, gen. nov.
Aquisalimonas asiatica Márquez et al. 2007, sp. nov.

¤ Aquisphaera Bondoso et al. 2011, gen. nov.
Aquisphaera giovannonii Bondoso et al. 2011, sp. nov.

¤ Aquitalea Lau et al. 2006, gen. nov.
Aquitalea denitrificans Lee et al. 2009, sp. nov.
Aquitalea magnusonii Lau et al. 2006, sp. nov.

¤ Arabobacteria Cavalier-Smith 2002, class. nov.

¤ Arachnia Pine and Georg 1969 (Approved Lists 1980), genus.
Arachnia propionica (Buchanan and Pine 1962) Pine and Georg 1969 (Approved Lists 1980), species.

¤ Arcanobacterium Collins et al. 1983, gen. nov.
Arcanobacterium abortisuis Azuma et al. 2009, sp. nov.
Arcanobacterium bernardiae (Funke et al. 1995) Pascual Ramos et al. 1997, comb. nov.
Arcanobacterium bialowiezense Lehnen et al. 2006, sp. nov.
Arcanobacterium bonasi Lehnen et al. 2006, sp. nov.
Arcanobacterium haemolyticum (ex Mac Lean et al. 1946) Collins et al. 1983, nom. rev., comb. nov.
Arcanobacterium hippocoleae Hoyles et al. 2002, sp. nov.
Arcanobacterium phocae Pascual Ramos et al. 1997, sp. nov.
Arcanobacterium pluranimalium Lawson et al. 2001, sp. nov.
Arcanobacterium pyogenes (Glage 1903) Pascual Ramos et al. 1997, comb. nov.

¤ Archaebacteria Cavalier-Smith 2002, divisio nov.

¤ Archaeobacteria Murray 1988, class. nov.

¤ Archaeoglobaceae Huber and Stetter 2002, fam. nov.

¤ Archaeoglobales Huber and Stetter 2002, ord. nov.

¤ Archaeoglobea Cavalier-Smith 2002, class. nov.

¤ Archaeoglobi Garrity and Holt 2002, class. nov.

¤ Archaeoglobus Stetter 1988, gen. nov.
Archaeoglobus fulgidus Stetter 1988, sp. nov.
Archaeoglobus infectus Mori et al. 2008, sp. nov.
Archaeoglobus profundus Burggraf et al. 1990, sp. nov.
Archaeoglobus sulfaticallidus Steinsbu et al. 2010, sp. nov.
Archaeoglobus veneficus Huber et al. 1998, sp. nov.

¤ Archangiaceae Jahn 1924 (Approved Lists 1980), familia.

¤ Archangium Jahn 1924 (Approved Lists 1980), genus.
Archangium gephyra Jahn 1924 (Approved Lists 1980), species.

¤ Arcicella Nikitin et al. 2004, gen. nov.
Arcicella aquatica Nikitin et al. 2004, sp. nov.
Arcicella aurantiaca Sheu et al. 2010, sp. nov.
Arcicella rosea Kämpfer et al. 2009, sp. nov.

¤ Arcobacter Vandamme et al. 1991, gen. nov.
Arcobacter butzleri (Kiehlbauch et al. 1991) Vandamme et al. 1992, comb. nov.
Arcobacter cibarius Houf et al. 2005, sp. nov.
Arcobacter cryaerophilus (Neill et al. 1985) Vandamme et al. 1991, comb. nov.
Arcobacter defluvii Collado et al. 2011, sp. nov.
Arcobacter ellisii Figueras et al. 2011, sp. nov.
Arcobacter halophilus Donachie et al. 2005, sp. nov.
Arcobacter marinus Kim et al. 2010, sp. nov.
Arcobacter molluscorum Figueras et al. 2011, sp. nov.
Arcobacter mytili Collado et al. 2009, sp. nov.
Arcobacter nitrofigilis (McClung et al. 1983) Vandamme et al. 1991, comb. nov.
Arcobacter skirrowii Vandamme et al. 1992, sp. nov.
Arcobacter thereius Houf et al. 2009, sp. nov.
Arcobacter trophiarum De Smet et al. 2011, sp. nov.

¤ Arenibacter Ivanova et al. 2001, gen. nov.
Arenibacter certesii Nedashkovskaya et al. 2004, sp. nov.
Arenibacter echinorum Nedashkovskaya et al. 2007, sp. nov.
Arenibacter latericius Ivanova et al. 2001, sp. nov.
Arenibacter nanhaiticus Sun et al. 2010, sp. nov.
Arenibacter palladensis Nedashkovskaya et al. 2006, sp. nov.
Arenibacter troitsensis Nedashkovskaya et al. 2003, sp. nov.

¤ Arenicella Romanenko et al. 2010, gen. nov.
Arenicella xantha Romanenko et al. 2010, sp. nov.

¤ Arenimonas Kwon et al. 2007, gen. nov.
Arenimonas composti (Jin et al. 2007) Aslam et al. 2009, comb. nov.
Arenimonas donghaensis Kwon et al. 2007, sp. nov.
Arenimonas malthae Young et al. 2007, sp. nov.
Arenimonas oryziterrae Aslam et al. 2009, sp. nov.

¤ Arhodomonas Adkins et al. 1993, gen. nov.
Arhodomonas aquaeolei Adkins et al. 1993, sp. nov.

¤ Armatimonadaceae Tamaki et al. 2011, fam. nov.

¤ Armatimonadales Tamaki et al. 2011, ord. nov.

¤ Armatimonadetes Tamaki et al. 2011, phyl. nov.

¤ Armatimonadia Tamaki et al. 2011, class. nov.

¤ Armatimonas Tamaki et al. 2011, gen. nov.
Armatimonas rosea Tamaki et al. 2011, sp. nov.

¤ Arsenicicoccus Collins et al. 2004, gen. nov.
Arsenicicoccus bolidensis Collins et al. 2004, sp. nov.
Arsenicicoccus piscis Hamada et al. 2010, sp. nov.

¤ Arsenophonus Gherna et al. 1991, gen. nov.
Arsenophonus nasoniae Gherna et al. 1991, sp. nov.

¤ Arthrobacter Conn and Dimmick 1947 (Approved Lists 1980), genus.
Arthrobacter agilis (Ali-Cohen 1889) Koch et al. 1995, comb. nov.
Arthrobacter albidus Ding et al. 2009, sp. nov.
Arthrobacter albus Wauters et al. 2000, sp. nov.
Arthrobacter alkaliphilus Ding et al. 2009, sp. nov.
Arthrobacter alpinus Zhang et al. 2010, sp. nov.
Arthrobacter antarcticus Pindi et al. 2010, sp. nov.
Arthrobacter ardleyensis Chen et al. 2005, sp. nov.
Arthrobacter arilaitensis Irlinger et al. 2005, sp. nov.
Arthrobacter atrocyaneus Kuhn and Starr 1960 (Approved Lists 1980), species.
Arthrobacter aurescens Phillips 1953 (Approved Lists 1980), species.
Arthrobacter bergerei Irlinger et al. 2005, sp. nov.
Arthrobacter castelli Heyrman et al. 2005, sp. nov.
Arthrobacter chlorophenolicus Westerberg et al. 2000, sp. nov.
Arthrobacter citreus Sacks 1954 (Approved Lists 1980), species.
Arthrobacter creatinolyticus Hou et al. 1998, sp. nov.
Arthrobacter cryoconiti Margesin et al. 2012, sp. nov.
Arthrobacter cryotolerans Ganzert et al. 2011, sp. nov.
Arthrobacter crystallopoietes Ensign and Rittenberg 1963 (Approved Lists 1980), species.
Arthrobacter cumminsii Funke et al. 1997, sp. nov.
Arthrobacter defluvii Kim et al. 2008, sp. nov.
Arthrobacter duodecadis Lochhead 1958 (Approved Lists 1980), species.
Arthrobacter echigonensis Ding et al. 2009, sp. nov.
Arthrobacter equi Yassin et al. 2011, sp. nov.
Arthrobacter flavescens Lochhead 1958 (Approved Lists 1980), species.
Arthrobacter flavus Reddy et al. 2000, sp. nov.
Arthrobacter gandavensis Storms et al. 2003, sp. nov.
Arthrobacter gangotriensis Gupta et al. 2004, sp. nov.
Arthrobacter globiformis (Conn 1928) Conn and Dimmick 1947 (Approved Lists 1980), species.
Arthrobacter histidinolovorans Adams 1954 (Approved Lists 1980), species.
Arthrobacter humicola Kageyama et al. 2008, sp. nov.
Arthrobacter ilicis Collins et al. 1982, sp. nov.
Arthrobacter kerguelensis Gupta et al. 2004, sp. nov.
Arthrobacter koreensis Lee et al. 2003, sp. nov.
Arthrobacter livingstonensis Ganzert et al. 2011, sp. nov.
Arthrobacter luteolus Wauters et al. 2000, sp. nov.
Arthrobacter methylotrophus Borodina et al. 2002, sp. nov.
Arthrobacter monumenti Heyrman et al. 2005, sp. nov.
Arthrobacter mysorens Nand and Rao 1972 (Approved Lists 1980), species.
Arthrobacter nasiphocae Collins et al. 2002, sp. nov.
Arthrobacter nicotianae Giovannozzi-Sermanni 1959 (Approved Lists 1980), species.
Arthrobacter nicotinovorans Kodama et al. 1992, sp. nov.
Arthrobacter niigatensis Ding et al. 2009, sp. nov.
Arthrobacter nitroguajacolicus Kotoučková et al. 2004, sp. nov.
Arthrobacter oryzae Kageyama et al. 2008, sp. nov.
Arthrobacter oxydans Sguros 1954 (Approved Lists 1980), species.
Arthrobacter parietis Heyrman et al. 2005, sp. nov.
Arthrobacter pascens Lochhead and Burton 1953 (Approved Lists 1980), species.
Arthrobacter phenanthrenivorans Kallimanis et al. 2009, sp. nov.
Arthrobacter picolinophilus Tate and Ensign 1974 (Approved Lists 1980), species.
Arthrobacter pigmenti Heyrman et al. 2005, sp. nov.
Arthrobacter polychromogenes Schippers-Lammertse et al. 1963 (Approved Lists 1980), species.
Arthrobacter protophormiae (Lysenko 1959) Stackebrandt et al. 1984, comb. nov.
Arthrobacter psychrochitiniphilus Wang et al. 2009, sp. nov.
Arthrobacter psychrolactophilus Loveland-Curtze et al. 2000, sp. nov.
Arthrobacter psychrophenolicus Margesin et al. 2004, sp. nov.
Arthrobacter radiotolerans Yoshinaka et al. 1973 (Approved Lists 1980), species.
Arthrobacter ramosus Jensen 1960 (Approved Lists 1980), species.
Arthrobacter rhombi Osorio et al. 1999, sp. nov.
Arthrobacter roseus Reddy et al. 2002, sp. nov.
Arthrobacter russicus Li et al. 2004, sp. nov.
Arthrobacter sanguinis Mages et al. 2009, sp. nov.
Arthrobacter scleromae Huang et al. 2005, sp. nov.
Arthrobacter siderocapsulatus Dubinina and Zhdanov 1975 (Approved Lists 1980), species.
Arthrobacter simplex (Jensen 1934) Lochhead 1957 (Approved Lists 1980), species.
Arthrobacter soli Roh et al. 2008, sp. nov.
Arthrobacter stackebrandtii Tvrzová et al. 2005, sp. nov.
Arthrobacter subterraneus Chang et al. 2008, sp. nov.
Arthrobacter sulfonivorans Borodina et al. 2002, sp. nov.
Arthrobacter sulfureus Stackebrandt et al. 1984, sp. nov.
Arthrobacter tecti Heyrman et al. 2005, sp. nov.
Arthrobacter terregens Lochhead and Burton 1953 (Approved Lists 1980), species.
Arthrobacter tumbae Heyrman et al. 2005, sp. nov.
Arthrobacter tumescens (Jensen 1934) Conn and Dimmick 1947 (Approved Lists 1980), species.
Arthrobacter uratoxydans Stackebrandt et al. 1984, sp. nov.
Arthrobacter ureafaciens (Krebs and Eggleston 1939) Clark 1955 (Approved Lists 1980), species.
Arthrobacter variabilis Müller 1961 (Approved Lists 1980), species.
Arthrobacter viscosus Gasdorf et al. 1965 (Approved Lists 1980), species.
Arthrobacter woluwensis Funke et al. 1997, sp. nov.

¤ Arthrobacteria Cavalier-Smith 2002, class. nov.

¤ Asaccharobacter Minamida et al. 2008, gen. nov.
Asaccharobacter celatus Minamida et al. 2008, sp. nov.

¤ Asaia Yamada et al. 2000, gen. nov.
Asaia bogorensis Yamada et al. 2000, sp. nov.
Asaia krungthepensis Yukphan et al. 2004, sp. nov.
Asaia lannensis corrig. Malimas et al. 2008, sp. nov.
Asaia siamensis Katsura et al. 2001, sp. nov.
Asaia spathodeae Kommanee et al. 2010, sp. nov.

¤ Asanoa Lee and Hah 2002, gen. nov.
Asanoa ferruginea (Asano and Kawamoto 1986) Lee and Hah 2002, comb. nov.
Asanoa hainanensis Xu et al. 2011, sp. nov.
Asanoa iriomotensis Tamura and Sakane 2005, sp. nov.
Asanoa ishikariensis Lee and Hah 2002, sp. nov.

¤ Aspromonas Jin et al. 2007, gen. nov.
Aspromonas composti Jin et al. 2007, sp. nov.

¤ Asteroleplasma Robinson and Freundt 1987, gen. nov.
Asteroleplasma anaerobium Robinson and Freundt 1987, sp. nov.

¤ Asticcacaulis Poindexter 1964 (Approved Lists 1980), genus.
Asticcacaulis benevestitus Vasilyeva et al. 2006, sp. nov.
Asticcacaulis biprosthecium (sic) Pate et al. 1973 (Approved Lists 1980), species.
Asticcacaulis excentricus Poindexter 1964 (Approved Lists 1980), species.
Asticcacaulis taihuensis Liu et al. 2005, sp. nov.

¤ Atopobacter Lawson et al. 2000, gen. nov.
Atopobacter phocae Lawson et al. 2000, sp. nov.

¤ Atopobium Collins and Wallbanks 1993, gen. nov.
Atopobium fossor (Bailey and Love 1986) Kageyama et al. 1999, comb. nov.
Atopobium minutum (Hauduroy et al. 1937) Collins and Wallbanks 1993, comb. nov.
Atopobium parvulum (Weinberg et al. 1937) Collins and Wallbanks 1993, comb. nov.
Atopobium rimae (Olsen et al. 1991) Collins and Wallbanks 1993, comb. nov.
Atopobium vaginae Rodriguez Jovita et al. 1999, sp. nov.

¤ Atopococcus Collins et al. 2005, gen. nov.
Atopococcus tabaci Collins et al. 2005, sp. nov.

¤ Atopostipes Cotta et al. 2004, gen. nov.
Atopostipes suicloacalis corrig. Cotta et al. 2004, sp. nov.

¤ Aurantimonas Denner et al. 2003, gen. nov.
Aurantimonas altamirensis Jurado et al. 2006, sp. nov.
Aurantimonas coralicida Denner et al. 2003, sp. nov.
Aurantimonas frigidaquae Kim et al. 2008, sp. nov.
Aurantimonas manganoxydans Anderson et al. 2011, sp. nov.
Aurantimonas ureilytica Weon et al. 2007, sp. nov.

¤ Auraticoccus Alonso-Vega et al. 2011, gen. nov.
Auraticoccus monumenti Alonso-Vega et al. 2011, sp. nov.

¤ Aureibacter Yoon et al. 2011, gen. nov.
Aureibacter tunicatorum Yoon et al. 2011, sp. nov.

¤ Aureispira Hosoya et al. 2006, gen. nov.
Aureispira marina Hosoya et al. 2006, sp. nov.
Aureispira maritima Hosoya et al. 2007, sp. nov.

¤ Aureimonas Rathsack et al. 2011, gen. nov.
Aureimonas altamirensis (Jurado et al. 2006) Rathsack et al. 2011, comb. nov.
Aureimonas frigidaquae (Kim et al. 2008) Rathsack et al. 2011, comb. nov.
Aureimonas ureilytica (Weon et al. 2007) Rathsack et al. 2011, comb. nov.

¤ Aureobacterium Collins et al. 1983, gen. nov.
Aureobacterium arabinogalactanolyticum Yokota et al. 1993, sp. nov.
Aureobacterium barkeri (ex Dias et al. 1962) Collins et al. 1983, nom. rev., comb. nov.
Aureobacterium esteraromaticum (Omelianski 1923) Yokota et al. 1993, comb. nov.
Aureobacterium flavescens (Lochhead 1958) Collins et al. 1983, comb. nov.
Aureobacterium keratanolyticum Yokota et al. 1993, sp. nov.
Aureobacterium liquefaciens (ex Orla-Jensen 1919) Collins et al. 1983, nom. rev., comb. nov.
Aureobacterium luteolum Yokota et al. 1993, sp. nov.
Aureobacterium resistens Funke et al. 1998, sp. nov.
Aureobacterium saperdae (Lysenko 1959) Collins et al. 1983, comb. nov.
Aureobacterium schleiferi Yokota et al. 1993, sp. nov.
Aureobacterium terrae Yokota et al. 1993, sp. nov.
Aureobacterium terregens (Lochhead and Burton 1953) Collins et al. 1983, comb. nov.
Aureobacterium testaceum (Komagata and Iizuka 1964) Collins et al. 1983, comb. nov.
Aureobacterium trichothecenolyticum Yokota et al. 1993, sp. nov.

¤ Auritidibacter Yassin et al. 2011, gen. nov.
Auritidibacter ignavus Yassin et al. 2011, sp. nov.

¤ Austwickia Hamada et al. 2011, gen. nov.
Austwickia chelonae (Masters et al. 1995) Hamada et al. 2011, comb. nov.

¤ Avibacterium Blackall et al. 2005, gen. nov.
Avibacterium avium (Hinz and Kunjara 1977) Blackall et al. 2005, comb. nov.
Avibacterium endocarditidis Bisgaard et al. 2007, sp. nov.
Avibacterium gallinarum (Hall et al. 1955) Blackall et al. 2005, comb. nov.
Avibacterium paragallinarum (Biberstein and White 1969) Blackall et al. 2005, comb. nov.
Avibacterium volantium (Mutters et al. 1985) Blackall et al. 2005, comb. nov.

¤ Azoarcus Reinhold-Hurek et al. 1993, gen. nov.
Azoarcus anaerobius Springer et al. 1998, sp. nov.
Azoarcus buckelii Mechichi et al. 2002, sp. nov.
Azoarcus communis Reinhold-Hurek et al. 1993, sp. nov.
Azoarcus evansii Anders et al. 1995, sp. nov.
Azoarcus indigens Reinhold-Hurek et al. 1993, sp. nov.
Azoarcus toluclasticus Song et al. 1999, sp. nov.
Azoarcus tolulyticus Zhou et al. 1995, sp. nov.
Azoarcus toluvorans Song et al. 1999, sp. nov.

¤ Azohydromonas Xie and Yokota 2005, gen. nov.
Azohydromonas australica Xie and Yokota 2005, sp. nov.
Azohydromonas lata (Palleroni and Palleroni 1978) Xie and Yokota 2005, comb. nov.

¤ Azomonas Winogradsky 1938 (Approved Lists 1980), genus.
Azomonas agilis (Beijerinck 1901) Winogradsky 1938 (Approved Lists 1980), species.
Azomonas insignis (Derx 1951) Jensen 1955 (Approved Lists 1980), species.
Azomonas macrocytogenes (Jensen 1955) New and Tchan 1982, comb. nov.

¤ Azomonotrichon Thompson and Skerman 1981, gen. nov.
Azomonotrichon macrocytogenes (Jensen 1955) Thompson and Skerman 1981, comb. nov.

¤ Azonexus Reinhold-Hurek and Hurek 2000, gen. nov.
Azonexus caeni Quan et al. 2006, sp. nov.
Azonexus fungiphilus Reinhold-Hurek and Hurek 2000, sp. nov.
Azonexus hydrophilus Chou et al. 2008, sp. nov.

¤ Azorhizobium Dreyfus et al. 1988, gen. nov.
Azorhizobium caulinodans Dreyfus et al. 1988, sp. nov.
Azorhizobium doebereinerae Moreira et al. 2006, sp. nov.

¤ Azorhizophilus Thompson and Skerman 1981, gen. nov.
Azorhizophilus paspali (Döbereiner 1966) Thompson and Skerman 1981, comb. nov.

¤ Azospira Reinhold-Hurek and Hurek 2000, gen. nov.
Azospira oryzae Reinhold-Hurek and Hurek 2000, sp. nov.
Azospira restricta Bae et al. 2007, sp. nov.

¤ Azospirillum Tarrand et al. 1979 (Approved Lists 1980), genus.
Azospirillum amazonense Magalhães et al. 1984, sp. nov.
Azospirillum brasilense corrig. Tarrand et al. 1979 (Approved Lists 1980), species.
Azospirillum canadense Mehnaz et al. 2007, sp. nov.
Azospirillum doebereinerae Eckert et al. 2001, sp. nov.
Azospirillum halopraeferens Reinhold et al. 1987, sp. nov.
Azospirillum irakense Khammas et al. 1991, sp. nov.
Azospirillum largimobile corrig. (Skerman et al. 1983) Ben Dekhil et al. 1997, comb. nov.
Azospirillum lipoferum (Beijerinck 1925) Tarrand et al. 1979 (Approved Lists 1980), species.
Azospirillum melinis Peng et al. 2006, sp. nov.
Azospirillum oryzae Xie and Yokota 2005, sp. nov.
Azospirillum picis Lin et al. 2009, sp. nov.
Azospirillum rugosum Young et al. 2008, sp. nov.
Azospirillum thiophilum Lavrinenko et al. 2010, sp. nov.
Azospirillum zeae Mehnaz et al. 2007, sp. nov.

¤ Azotobacter Beijerinck 1901 (Approved Lists 1980), genus.
Azotobacter armeniacus Thompson and Skerman 1981, sp. nov.
Azotobacter beijerinckii Lipman 1904 (Approved Lists 1980), species.
Azotobacter chroococcum Beijerinck 1901 (Approved Lists 1980), species.
Azotobacter macrocytogenes Jensen 1955 (Approved Lists 1980), species.
Azotobacter nigricans Krasil'nikov 1949 (Approved Lists 1980), species.
Azotobacter nigricans subsp. achromogenes Thompson and Skerman 1981, subsp. nov.
Azotobacter nigricans subsp. nigricans (Krasil'nikov 1949) Thompson and Skerman 1981, subsp. nov.
Azotobacter paspali Döbereiner 1966 (Approved Lists 1980), species.
Azotobacter salinestris Page and Shivprasad 1991, sp. nov.
Azotobacter vinelandii Lipman 1903 (Approved Lists 1980), species.

¤ Azotobacteraceae Pribram 1933 (Approved Lists 1980), familia.

¤ Azovibrio Reinhold-Hurek and Hurek 2000, gen. nov.
Azovibrio restrictus Reinhold-Hurek and Hurek 2000, sp. nov.

¤ Bacillaceae Fischer 1895 (Approved Lists 1980), familia.

¤ Bacillales Prévot 1953 (Approved Lists 1980), ordo.

¤ Bacilli Ludwig et al. 2010, class. nov.

¤ Bacillus Cohn 1872 (Approved Lists 1980), genus.
Bacillus acidiceler Peak et al. 2007, sp. nov.
Bacillus acidicola Albert et al. 2005, sp. nov.
Bacillus acidiproducens Jung et al. 2009, sp. nov.
Bacillus acidocaldarius Darland and Brock 1971 (Approved Lists 1980), species.
Bacillus acidoterrestris Deinhard et al. 1988, sp. nov.
Bacillus aeolius Gugliandolo et al. 2003, sp. nov.
Bacillus aerius Shivaji et al. 2006, sp. nov.
Bacillus aerophilus Shivaji et al. 2006, sp. nov.
Bacillus agaradhaerens Nielsen et al. 1995, sp. nov.
Bacillus agri (ex Laubach and Rice 1916) Nakamura 1993, sp. nov., nom. rev.
Bacillus aidingensis Xue et al. 2008, sp. nov.
Bacillus akibai Nogi et al. 2005, sp. nov.
Bacillus alcalophilus Vedder 1934 (Approved Lists 1980), species.
Bacillus algicola Ivanova et al. 2004, sp. nov.
Bacillus alginolyticus Nakamura 1987, sp. nov.
Bacillus alkalidiazotrophicus Sorokin et al. 2008, sp. nov.
Bacillus alkalinitrilicus Sorokin et al. 2009, sp. nov.
Bacillus alkalisediminis Borsodi et al. 2011, sp. nov.
Bacillus alkalitelluris Lee et al. 2008, sp. nov.
Bacillus altitudinis Shivaji et al. 2006, sp. nov.
Bacillus alveayuensis Bae et al. 2005, sp. nov.
Bacillus alvei Cheshire and Cheyne 1885 (Approved Lists 1980), species.
Bacillus amyloliquefaciens (ex Fukumoto 1943) Priest et al. 1987, sp. nov., nom. rev.
Bacillus amyloliquefaciens subsp. amyloliquefaciens (Priest et al. 1987) Borriss et al. 2011, subsp. nov.
Bacillus amyloliquefaciens subsp. plantarum Borriss et al. 2011, subsp. nov.
Bacillus amylolyticus (ex Choukévitch 1911) Nakamura 1984, sp. nov., nom. rev.
Bacillus aneurinilyticus corrig. (ex Kimura and Aoyama 1952) Shida et al. 1994, sp. nov., nom. rev.
Bacillus anthracis Cohn 1872 (Approved Lists 1980), species.
Bacillus aquimaris Yoon et al. 2003, sp. nov.
Bacillus arenosi Heyrman et al. 2005, sp. nov.
Bacillus arseniciselenatis corrig. Switzer Blum et al. 2001, sp. nov.
Bacillus arsenicus Shivaji et al. 2005, sp. nov.
Bacillus aurantiacus Borsodi et al. 2008, sp. nov.
Bacillus arvi Heyrman et al. 2005, sp. nov.
Bacillus aryabhattai Shivaji et al. 2009, sp. nov.
Bacillus asahii Yumoto et al. 2004, sp. nov.
Bacillus atrophaeus Nakamura 1989, sp. nov.
Bacillus axarquiensis Ruiz-García et al. 2005, sp. nov.
Bacillus azotofixans Seldin et al. 1984, sp. nov.
Bacillus azotoformans (ex Pichinoty et al. 1976) Pichinoty et al. 1983, sp. nov., nom. rev.
Bacillus badius Batchelor 1919 (Approved Lists 1980), species.
Bacillus barbaricus Täubel et al. 2003, sp. nov.
Bacillus bataviensis Heyrman et al. 2004, sp. nov.
Bacillus beijingensis Qiu et al. 2009, sp. nov.
Bacillus benzoevorans Pichinoty et al. 1987, sp. nov.
Bacillus beveridgei Baesman et al. 2010, sp. nov.
Bacillus bogoriensis Vargas et al. 2005, sp. nov.
Bacillus boroniphilus Ahmed et al. 2007, sp. nov.
Bacillus borstelensis (ex Porter) Shida et al. 1995, sp. nov., nom. rev.
Bacillus brevis Migula 1900 (Approved Lists 1980), species.
Bacillus butanolivorans Kuisiene et al. 2008, sp. nov.
Bacillus canaveralius Newcombe et al. 2009, sp. nov.
Bacillus carboniphilus Fujita et al. 1996, sp. nov.
Bacillus cecembensis Reddy et al. 2008, sp. nov.
Bacillus cellulosilyticus Nogi et al. 2005, sp. nov.
Bacillus centrosporus (ex Ford 1916) Nakamura 1993, sp. nov., nom. rev.
Bacillus cereus Frankland and Frankland 1887 (Approved Lists 1980), species.
Bacillus chagannorensis Carrasco et al. 2007, sp. nov.
Bacillus chitinolyticus Kuroshima et al. 1996, sp. nov.
Bacillus chondroitinus Nakamura 1987, sp. nov.
Bacillus choshinensis Takagi et al. 1993, sp. nov.
Bacillus chungangensis Cho et al. 2010, sp. nov.
Bacillus cibi Yoon et al. 2005, sp. nov.
Bacillus circulans Jordan 1890 (Approved Lists 1980), species.
Bacillus clarkii Nielsen et al. 1995, sp. nov.
Bacillus clausii Nielsen et al. 1995, sp. nov.
Bacillus coagulans Hammer 1915 (Approved Lists 1980), species.
Bacillus coahuilensis Cerritos et al. 2008, sp. nov.
Bacillus cohnii Spanka and Fritze 1993, sp. nov.
Bacillus curdlanolyticus Kanzawa et al. 1995, sp. nov.
Bacillus cycloheptanicus Deinhard et al. 1988, sp. nov.
Bacillus decisifrondis Zhang et al. 2007, sp. nov.
Bacillus decolorationis Heyrman et al. 2003, sp. nov.
Bacillus dipsosauri Lawson et al. 1996, sp. nov.
Bacillus drentensis Heyrman et al. 2004, sp. nov.
Bacillus edaphicus Shelobolina et al. 1998, sp. nov.
Bacillus ehimensis Kuroshima et al. 1996, sp. nov.
Bacillus endophyticus Reva et al. 2002, sp. nov.
Bacillus endoradicis Zhang et al. 2012, sp. nov.
Bacillus farraginis Scheldeman et al. 2004, sp. nov.
Bacillus fastidiosus den Dooren de Jong 1929 (Approved Lists 1980), species.
Bacillus firmus Bredemann and Werner 1933 (Approved Lists 1980), species.
Bacillus flexus (ex Batchelor 1919) Priest et al. 1989, sp. nov., nom. rev.
Bacillus foraminis Tiago et al. 2006, sp. nov.
Bacillus fordii Scheldeman et al. 2004, sp. nov.
Bacillus formosus (ex Porter) Shida et al. 1995, sp. nov., nom. rev.
Bacillus fortis Scheldeman et al. 2004, sp. nov.
Bacillus fumarioli Logan et al. 2000, sp. nov.
Bacillus funiculus Ajithkumar et al. 2002, sp. nov.
Bacillus fusiformis (ex Meyer and Gottheil 1901) Priest et al. 1989, sp. nov., nom. rev.
Bacillus galactophilus Takagi et al. 1993, sp. nov.
Bacillus galactosidilyticus Heyndrickx et al. 2004, sp. nov.
Bacillus galliciensis Balcázar et al. 2010, sp. nov.
Bacillus gelatini De Clerck et al. 2004, sp. nov.
Bacillus gibsonii Nielsen et al. 1995, sp. nov.
Bacillus ginsengi Qiu et al. 2009, sp. nov.
Bacillus ginsengihumi Ten et al. 2007, sp. nov.
Bacillus globisporus Larkin and Stokes 1967 (Approved Lists 1980), species.
Bacillus globisporus subsp. globisporus (Larkin and Stokes 1967) Ruger and Richter 1979 (Approved Lists 1980), subspecies.
Bacillus globisporus subsp. marinus Rüger and Richter 1979 (Approved Lists 1980), subspecies.
Bacillus glucanolyticus Alexander and Priest 1989, sp. nov.
Bacillus gordonae Pichinoty et al. 1987, sp. nov.
Bacillus graminis Bibi et al. 2011, sp. nov.
Bacillus halmapalus Nielsen et al. 1995, sp. nov.
Bacillus haloalkaliphilus Fritze 1996, sp. nov.
Bacillus halochares Pappa et al. 2010, sp. nov.
Bacillus halodenitrificans Denariaz et al. 1989, sp. nov.
Bacillus halodurans (ex Boyer 1973) Nielsen et al. 1995, nom. rev., comb. nov.
Bacillus halophilus Ventosa et al. 1990, sp. nov.
Bacillus hemicellulosilyticus Nogi et al. 2005, sp. nov.
Bacillus hemicentroti Chen et al. 2011, sp. nov.
Bacillus herbersteinensis Wieser et al. 2005, sp. nov.
Bacillus horikoshii Nielsen et al. 1995, sp. nov.
Bacillus horneckiae Vaishampayan et al. 2010, sp. nov.
Bacillus horti Yumoto et al. 1998, sp. nov.
Bacillus humi Heyrman et al. 2005, sp. nov.
Bacillus hwajinpoensis Yoon et al. 2004, sp. nov.
Bacillus idriensis Ko et al. 2006, sp. nov.
Bacillus indicus Suresh et al. 2004, sp. nov.
Bacillus infantis Ko et al. 2006, sp. nov.
Bacillus infernus Boone et al. 1995, sp. nov.
Bacillus insolitus Larkin and Stokes 1967 (Approved Lists 1980), species.
Bacillus isabeliae Albuquerque et al. 2008, sp. nov.
Bacillus isronensis Shivaji et al. 2009, sp. nov.
Bacillus jeotgali Yoon et al. 2001, sp. nov.
Bacillus kaustophilus (ex Prickett 1928) Priest et al. 1989, sp. nov., nom. rev.
Bacillus kobensis Kanzawa et al. 1995, sp. nov.
Bacillus koreensis Lim et al. 2006, sp. nov.
Bacillus korlensis Zhang et al. 2009, sp. nov.
Bacillus kribbensis Lim et al. 2007, sp. nov.
Bacillus krulwichiae Yumoto et al. 2003, sp. nov.
Bacillus laevolacticus (ex Nakayama and Yanoshi 1967) Andersch et al. 1994, sp. nov., nom. rev.
Bacillus larvae White 1906 (Approved Lists 1980), species.
Bacillus laterosporus Laubach 1916 (Approved Lists 1980), species.
Bacillus lautus (ex Batchelor 1919) Nakamura 1984, sp. nov., nom. rev.
Bacillus lehensis Ghosh et al. 2007, sp. nov.
Bacillus lentimorbus Dutky 1940 (Approved Lists 1980), species.
Bacillus lentus Gibson 1935 (Approved Lists 1980), species.
Bacillus licheniformis (Weigmann 1898) Chester 1901 (Approved Lists 1980), species.
Bacillus litoralis Yoon and Oh 2005, sp. nov.
Bacillus locisalis Márquez et al. 2011, sp. nov.
Bacillus luciferensis Logan et al. 2002, sp. nov.
Bacillus luteolus Shi et al. 2011, sp. nov.
Bacillus macauensis Zhang et al. 2006, sp. nov.
Bacillus macerans Schardinger 1905 (Approved Lists 1980), species.
Bacillus macquariensis Marshall and Ohye 1966 (Approved Lists 1980), species.
Bacillus macyae Santini et al. 2004, sp. nov.
Bacillus malacitensis Ruiz-García et al. 2005, sp. nov.
Bacillus mannanilyticus Nogi et al. 2005, sp. nov.
Bacillus marinus (Rüger and Richter 1979) Rüger 1983, comb. nov.
Bacillus marisflavi Yoon et al. 2003, sp. nov.
Bacillus marismortui Arahal et al. 1999, sp. nov.
Bacillus marmarensis Denizci et al. 2010, sp. nov.
Bacillus massiliensis Glazunova et al. 2006, sp. nov.
Bacillus megaterium de Bary 1884 (Approved Lists 1980), species.
Bacillus methanolicus Arfman et al. 1992, sp. nov.
Bacillus methylotrophicus Madhaiyan et al. 2010, sp. nov.
Bacillus migulanus Takagi et al. 1993, sp. nov.
Bacillus mojavensis Roberts et al. 1994, sp. nov.
Bacillus mucilaginosus Avakyan et al. 1998, sp. nov.
Bacillus muralis Heyrman et al. 2005, sp. nov.
Bacillus murimartini Borchert et al. 2007, sp. nov.
Bacillus mycoides Flügge 1886 (Approved Lists 1980), species.
Bacillus naganoensis Tomimura et al. 1990, sp. nov.
Bacillus nanhaiensis Chen et al. 2011, sp. nov.
Bacillus nanhaiisediminis Zhang et al. 2011, sp. nov.
Bacillus nealsonii Venkateswaran et al. 2003, sp. nov.
Bacillus neidei Nakamura et al. 2002, sp. nov.
Bacillus neizhouensis Chen et al. 2009, sp. nov.
Bacillus niabensis Kwon et al. 2007, sp. nov.
Bacillus niacini Nagel and Andreesen 1991, sp. nov.
Bacillus novalis Heyrman et al. 2004, sp. nov.
Bacillus oceanisediminis Zhang et al. 2010, sp. nov.
Bacillus odysseyi La Duc et al. 2004, sp. nov.
Bacillus okhensis Nowlan et al. 2006, sp. nov.
Bacillus okuhidensis Li et al. 2002, sp. nov.
Bacillus oleronius Kuhnigk et al. 1996, sp. nov.
Bacillus oshimensis Yumoto et al. 2005, sp. nov.
Bacillus pabuli (ex Schieblich 1923) Nakamura 1984, sp. nov., nom. rev.
Bacillus pallidus Scholz et al. 1988, sp. nov.
Bacillus pallidus Zhou et al. 2008, sp. nov.
Bacillus panaciterrae Ten et al. 2006, sp. nov.
Bacillus pantothenticus Proom and Knight 1950 (Approved Lists 1980), species.
Bacillus parabrevis Takagi et al. 1993, sp. nov.
Bacillus pasteurii (Miquel 1889) Chester 1898 (Approved Lists 1980), species.
Bacillus patagoniensis Olivera et al. 2005, sp. nov.
Bacillus peoriae Montefusco et al. 1993, sp. nov.
Bacillus persepolensis Amoozegar et al. 2009, sp. nov.
Bacillus plakortidis Borchert et al. 2007, sp. nov.
Bacillus pocheonensis Ten et al. 2007, sp. nov.
Bacillus polygoni Aino et al. 2008, sp. nov.
Bacillus polymyxa (Prazmowski 1880) Macé 1889 (Approved Lists 1980), species.
Bacillus popilliae Dutky 1940 (Approved Lists 1980), species.
Bacillus pseudalcaliphilus corrig. Nielsen et al. 1995, sp. nov.
Bacillus pseudofirmus Nielsen et al. 1995, sp. nov.
Bacillus pseudomycoides Nakamura 1998, sp. nov.
Bacillus psychrodurans Abd El-Rahman et al. 2002, sp. nov.
Bacillus psychrophilus (ex Larkin and Stokes 1967) Nakamura 1984, sp. nov., nom. rev.
Bacillus psychrosaccharolyticus (ex Larkin and Stokes 1967) Priest et al. 1989, sp. nov., nom. rev.
Bacillus psychrotolerans Abd El-Rahman et al. 2002, sp. nov.
Bacillus pulvifaciens (ex Katznelson 1950) Nakamura 1984, sp. nov., nom. rev.
Bacillus pumilus Meyer and Gottheil 1901 (Approved Lists 1980), species.
Bacillus purgationiresistans Vaz-Moreira et al. 2012, sp. nov.
Bacillus pycnus Nakamura et al. 2002, sp. nov.
Bacillus qingdaonensis Wang et al. 2007, sp. nov.
Bacillus reuszeri Shida et al. 1995, sp. nov.
Bacillus rigui Baik et al. 2010, sp. nov.
Bacillus ruris Heyndrickx et al. 2005, sp. nov.
Bacillus safensis Satomi et al. 2006, sp. nov.
Bacillus salarius Lim et al. 2006, sp. nov.
Bacillus salexigens Garabito et al. 1997, sp. nov.
Bacillus saliphilus Romano et al. 2005, sp. nov.
Bacillus schlegelii Schenk and Aragno 1981, sp. nov.
Bacillus selenatarsenatis Yamamura et al. 2007, sp. nov.
Bacillus selenitireducens Switzer Blum et al. 2001, sp. nov.
Bacillus seohaeanensis Lee et al. 2006, sp. nov.
Bacillus shackletonii Logan et al. 2004, sp. nov.
Bacillus siamensis Sumpavapol et al. 2010, sp. nov.
Bacillus silvestris Rheims et al. 1999, sp. nov.
Bacillus simplex (ex Meyer and Gottheil 1901) Priest et al. 1989, sp. nov., nom. rev.
Bacillus siralis Pettersson et al. 2000, sp. nov.
Bacillus smithii Nakamura et al. 1988, sp. nov.
Bacillus soli Heyrman et al. 2004, sp. nov.
Bacillus solisalsi Liu et al. 2009, sp. nov.
Bacillus sonorensis Palmisano et al. 2001, sp. nov.
Bacillus sphaericus Meyer and Neide 1904 (Approved Lists 1980), species.
Bacillus sporothermodurans Pettersson et al. 1996, sp. nov.
Bacillus stearothermophilus Donk 1920 (Approved Lists 1980), species.
Bacillus stratosphericus Shivaji et al. 2006, sp. nov.
Bacillus subterraneus Kanso et al. 2002, sp. nov.
Bacillus subtilis (Ehrenberg 1835) Cohn 1872 (Approved Lists 1980), species.
Bacillus subtilis subsp. inaquosorum Rooney et al. 2009, subsp. nov.
Bacillus subtilis subsp. spizizenii Nakamura et al. 1999, subsp. nov.
Bacillus subtilis subsp. subtilis (Ehrenberg 1835) Nakamura et al. 1999, subsp. nov.
Bacillus taeanensis Lim et al. 2006, sp. nov.
Bacillus tequilensis Gatson et al. 2006, sp. nov.
Bacillus thermantarcticus corrig. Nicolaus et al. 2002, sp. nov.
Bacillus thermoaerophilus Meier-Stauffer et al. 1996, sp. nov.
Bacillus thermoamylovorans Combet-Blanc et al. 1995, sp. nov.
Bacillus thermocatenulatus Golovacheva et al. 1991, sp. nov.
Bacillus thermocloacae Demharter and Hensel 1989, sp. nov.
Bacillus thermodenitrificans (ex Klaushofer and Hollaus 1970) Manachini et al. 2000, sp. nov., nom. rev.
Bacillus thermoglucosidasius Suzuki 1984, sp. nov.
Bacillus thermolactis Coorevits et al. 2011, sp. nov.
Bacillus thermoleovorans Zarilla and Perry 1988, sp. nov.
Bacillus thermoruber (ex Guicciardi et al. 1968) Manachini et al. 1985, sp. nov., nom. rev.
Bacillus thermosphaericus Andersson et al. 1996, sp. nov.
Bacillus thiaminolyticus (ex Kuno 1951) Nakamura 1990, sp. nov., nom. rev.
Bacillus thioparans corrig. Pérez-Ibarra et al. 2007, sp. nov.
Bacillus thuringiensis Berliner 1915 (Approved Lists 1980), species.
Bacillus trypoxylicola Aizawa et al. 2010, sp. nov.
Bacillus tusciae Bonjour and Aragno 1985, sp. nov.
Bacillus validus (ex Bredemann and Heigener 1935) Nakamura 1984, sp. nov., nom. rev.
Bacillus vallismortis Roberts et al. 1996, sp. nov.
Bacillus vedderi Agnew et al. 1996, sp. nov.
Bacillus velezensis Ruiz-García et al. 2005, sp. nov.
Bacillus vietnamensis Noguchi et al. 2004, sp. nov.
Bacillus vireti Heyrman et al. 2004, sp. nov.
Bacillus vulcani Caccamo et al. 2000, sp. nov.
Bacillus wakoensis Nogi et al. 2005, sp. nov.
Bacillus weihenstephanensis Lechner et al. 1998, sp. nov.
Bacillus xiaoxiensis Chen et al. 2011, sp. nov.

¤ Bacteria Cavalier-Smith 2002, regnum nov.

¤ Bacteria Haeckel 1894 (Approved Lists 1980), classis.

¤ Bacteriolyticum Piñeiro et al. 2008, gen. nov.
Bacteriolyticum stolpii (Seidler et al. 1972) Piñeiro et al. 2008, comb. nov.

¤ Bacterionema Gilmour et al. 1961 (Approved Lists 1980), genus.
Bacterionema matruchotii (Mendel 1919) Gilmour et al. 1961 (Approved Lists 1980), species.

¤ Bacteriovoracaceae Davidov and Jurkevitch 2004, fam. nov.

¤ Bacteriovorax Baer et al. 2000, gen. nov.
Bacteriovorax litoralis Baer et al. 2004, sp. nov.
Bacteriovorax marinus Baer et al. 2004, sp. nov.
Bacteriovorax starrii (Seidler et al. 1972) Baer et al. 2000, comb. nov.
Bacteriovorax stolpii (Seidler et al. 1972) Baer et al. 2000, comb. nov.

¤ Bacteroidaceae Pribram 1933 (Approved Lists 1980), familia.

¤ Bacteroidales Krieg 2012, ord. nov.

¤ Bacteroideae Castellani and Chalmers 1919 (Approved Lists 1980), tribus.

¤ Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980), genus.
Bacteroides acidifaciens Miyamoto and Itoh 2000, sp. nov.
Bacteroides amylophilus Hamlin and Hungate 1956 (Approved Lists 1980), species.
Bacteroides asaccharolyticus (Holdeman and Moore 1970) Finegold and Barnes 1977 (Approved Lists 1980), species.
Bacteroides barnesiae Lan et al. 2006, sp. nov.
Bacteroides bivius Holdeman and Johnson 1977 (Approved Lists 1980), species.
Bacteroides buccae Holdeman et al. 1982, sp. nov.
Bacteroides buccalis Shah and Collins 1982, sp. nov.
Bacteroides caccae Johnson et al. 1986, sp. nov.
Bacteroides capillosus (Tissier 1908) Kelly 1957 (Approved Lists 1980), species.
Bacteroides capillus Kornman and Holt 1982, sp. nov.
Bacteroides cellulosilyticus Robert et al. 2007, sp. nov.
Bacteroides cellulosolvens Murray et al. 1984, sp. nov.
Bacteroides chinchillae Kitahara et al. 2011, sp. nov.
Bacteroides clarus Watanabe et al. 2010, sp. nov.
Bacteroides coagulans Eggerth and Gagnon 1933 (Approved Lists 1980), species.
Bacteroides coprocola Kitahara et al. 2005, sp. nov.
Bacteroides coprophilus Hayashi et al. 2007, sp. nov.
Bacteroides coprosuis Whitehead et al. 2005, sp. nov.
Bacteroides corporis Johnson and Holdeman 1983, sp. nov.
Bacteroides denticola Shah and Collins 1982, sp. nov.
Bacteroides disiens Holdeman and Johnson 1977 (Approved Lists 1980), species.
Bacteroides distasonis Eggerth and Gagnon 1933 (Approved Lists 1980), species.
Bacteroides dorei Bakir et al. 2006, sp. nov.
Bacteroides eggerthii Holdeman and Moore 1974 (Approved Lists 1980), species.
Bacteroides endodontalis van Steenbergen et al. 1984, sp. nov.
Bacteroides faecis Kim et al. 2010, sp. nov.
Bacteroides finegoldii Bakir et al. 2006, sp. nov.
Bacteroides fluxus Watanabe et al. 2010, sp. nov.
Bacteroides forsythus Tanner et al. 1986, sp. nov.
Bacteroides fragilis (Veillon and Zuber 1898) Castellani and Chalmers 1919 (Approved Lists 1980), species.
Bacteroides furcosus (Veillon and Zuber 1898) Hauduroy et al. 1937 (Approved Lists 1980), species.
Bacteroides galacturonicus Jensen and Canale-Parola 1987, sp. nov.
Bacteroides gallinarum Lan et al. 2006, sp. nov.
Bacteroides gingivalis Coykendall et al. 1980, sp. nov.
Bacteroides goldsteinii Song et al. 2006, sp. nov.
Bacteroides gracilis Tanner et al. 1981, sp. nov.
Bacteroides graminisolvens Nishiyama et al. 2009, sp. nov.
Bacteroides helcogenes Benno et al. 1983, sp. nov.
Bacteroides heparinolyticus Okuda et al. 1985, sp. nov.
Bacteroides hypermegas Harrison and Hansen 1963 (Approved Lists 1980), species.
Bacteroides intermedius (Holdeman and Moore 1970) Johnson and Holdeman 1983, comb. nov.
Bacteroides intestinalis Bakir et al. 2006, sp. nov.
Bacteroides levii (ex Holdeman et al. 1977) Johnson and Holdeman 1983, nom. rev., comb. nov.
Bacteroides loescheii Holdeman and Johnson 1982, sp. nov.
Bacteroides macacae (Slots and Genco 1980) Coykendall et al. 1980, comb. nov.
Bacteroides massiliensis Fenner et al. 2005, sp. nov.
Bacteroides melaninogenicus (Oliver and Wherry 1921) Roy and Kelly 1939 (Approved Lists 1980), species.
Bacteroides melaninogenicus subsp. intermedius Holdeman and Moore 1970 (Approved Lists 1980), subspecies.
Bacteroides melaninogenicus subsp. macacae Slots and Genco 1980, subsp. nov.
Bacteroides melaninogenicus subsp. melaninogenicus (Oliver and Wherry 1921) Holdeman and Moore 1970 (Approved Lists 1980), subspecies.
Bacteroides merdae Johnson et al. 1986, sp. nov.
Bacteroides microfusus Kaneuchi and Mitsuoka 1978 (Approved Lists 1980), species.
Bacteroides multiacidus Mitsuoka et al. 1974 (Approved Lists 1980), species.
Bacteroides nodosus (Beveridge 1941) Mraz 1963 (Approved Lists 1980), species.
Bacteroides nordii Song et al. 2005, sp. nov.
Bacteroides ochraceus (Prévot et al. 1956) Holdeman and Moore 1972 (Approved Lists 1980), species.
Bacteroides oleiciplenus Watanabe et al. 2010, sp. nov.
Bacteroides oralis Loesche et al. 1964 (Approved Lists 1980), species.
Bacteroides oris Holdeman et al. 1982, sp. nov.
Bacteroides oulorum Shah et al. 1985, sp. nov.
Bacteroides ovatus Eggerth and Gagnon 1933 (Approved Lists 1980), species.
Bacteroides paurosaccharolyticus Ueki et al. 2011, sp. nov.
Bacteroides pectinophilus Jensen and Canale-Parola 1987, sp. nov.
Bacteroides pentosaceus Shah and Collins 1982, sp. nov.
Bacteroides plebeius Kitahara et al. 2005, sp. nov.
Bacteroides pneumosintes (Olitsky and Gates 1921) Holdeman and Moore 1970 (Approved Lists 1980), species.
Bacteroides polypragmatus Patel and Breuil 1982, sp. nov.
Bacteroides praeacutus (Tissier 1908) Holdeman and Moore 1970 (Approved Lists 1980), species.
Bacteroides propionicifaciens Ueki et al. 2008, sp. nov.
Bacteroides putredinis (Weinberg et al. 1937) Kelly 1957 (Approved Lists 1980), species.
Bacteroides pyogenes Benno et al. 1983, sp. nov.
Bacteroides rodentium Kitahara et al. 2011, sp. nov.
Bacteroides ruminicola Bryant et al. 1958 (Approved Lists 1980), species.
Bacteroides ruminicola subsp. brevis Bryant et al. 1958 (Approved Lists 1980), subspecies.
Bacteroides ruminicola subsp. ruminicola Bryant et al. 1958 (Approved Lists 1980), subspecies.
Bacteroides salanitronis Lan et al. 2006, sp. nov.
Bacteroides salivosus Love et al. 1987, sp. nov.
Bacteroides salyersiae corrig. Song et al. 2005, sp. nov.
Bacteroides sartorii Clavel et al. 2010, sp. nov.
Bacteroides splanchnicus Werner et al. 1975 (Approved Lists 1980), species.
Bacteroides stercoris Johnson et al. 1986, sp. nov.
Bacteroides succinogenes Hungate 1950 (Approved Lists 1980), species.
Bacteroides suis Benno et al. 1983, sp. nov.
Bacteroides tectus corrig. Love et al. 1986, sp. nov.
Bacteroides termitidis (Sebald 1962) Holdeman and Moore 1970 (Approved Lists 1980), species.
Bacteroides thetaiotaomicron (Distaso 1912) Castellani and Chalmers 1919 (Approved Lists 1980), species.
Bacteroides uniformis Eggerth and Gagnon 1933 (Approved Lists 1980), species.
Bacteroides ureolyticus Jackson and Goodman 1978 (Approved Lists 1980), species.
Bacteroides veroralis Watabe et al. 1983, sp. nov.
Bacteroides vulgatus Eggerth and Gagnon 1933 (Approved Lists 1980), species.
Bacteroides xylanisolvens Chassard et al. 2008, sp. nov.
Bacteroides xylanolyticus Scholten-Koerselman et al. 1988, sp. nov.
Bacteroides zoogleoformans (Weinberg et al. 1937) Cato et al. 1982, comb. nov.

¤ Bacteroidetes Krieg et al. 2012, phyl. nov.

¤ Bacteroidia Krieg 2012, class. nov.

¤ Bactoderma Tepper and Korshunova 1973 (Approved Lists 1980), genus.
Bactoderma alba Tepper and Korshunova 1973 (Approved Lists 1980), species.
Bactoderma rosea (Winogradsky and Winogradsky 1933) Tepper and Korshunova 1973 (Approved Lists 1980), species.

¤ Balnearium Takai et al. 2003, gen. nov.
Balnearium lithotrophicum Takai et al. 2003, sp. nov.

¤ Balneatrix Dauga et al. 1993, gen. nov.
Balneatrix alpica Dauga et al. 1993, sp. nov.

¤ Balneola Urios et al. 2006, gen. nov.
Balneola alkaliphila Urios et al. 2008, sp. nov.
Balneola vulgaris Urios et al. 2006, sp. nov.

¤ Balneimonas corrig. Takeda et al. 2004, gen. nov.
Balneimonas flocculans corrig. Takeda et al. 2004, sp. nov.

¤ Barnesiella Sakamoto et al. 2007, gen. nov.
Barnesiella intestinihominis Morotomi et al. 2008, sp. nov.
Barnesiella viscericola Sakamoto et al. 2007, sp. nov.

¤ Bartonella Strong et al. 1915 (Approved Lists 1980), genus.
Bartonella alsatica Heller et al. 1999, sp. nov.
Bartonella bacilliformis (Strong et al. 1913) Strong et al. 1915 (Approved Lists 1980), species.
Bartonella birtlesii Bermond et al. 2000, sp. nov.
Bartonella bovis Bermond et al. 2002 non Donatien and Lestoquard 1934, sp. nov.
Bartonella capreoli Bermond et al. 2002, sp. nov.
Bartonella chomelii Maillard et al. 2004, sp. nov.
Bartonella clarridgeiae Lawson and Collins 1996, sp. nov.
Bartonella coopersplainsensis Gundi et al. 2009, sp. nov.
Bartonella doshiae Birtles et al. 1995, sp. nov.
Bartonella elizabethae (Daly et al. 1993) Brenner et al. 1993, comb. nov.
Bartonella grahamii Birtles et al. 1995, sp. nov.
Bartonella henselae (Regnery et al. 1992) Brenner et al. 1993, comb. nov.
Bartonella japonica Inoue et al. 2010, sp. nov.
Bartonella koehlerae Droz et al. 2000, sp. nov.
Bartonella peromysci (Ristic and Kreier 1984) Birtles et al. 1995, comb. nov.
Bartonella queenslandensis Gundi et al. 2009, sp. nov.
Bartonella quintana (Schmincke 1917) Brenner et al. 1993, comb. nov.
Bartonella rattaustraliani Gundi et al. 2009, sp. nov.
Bartonella schoenbuchensis corrig. Dehio et al. 2001, sp. nov.
Bartonella silvatica Inoue et al. 2010, sp. nov.
Bartonella talpae (Ristic and Kreier 1984) Birtles et al. 1995, comb. nov.
Bartonella taylorii Birtles et al. 1995, sp. nov.
Bartonella tribocorum Heller et al. 1998, sp. nov.
Bartonella vinsonii (Weiss and Dasch 1982) Brenner et al. 1993, comb. nov.
Bartonella vinsonii subsp. arupensis Welch et al. 2000, subsp. nov.
Bartonella vinsonii subsp. berkhoffii Kordick et al. 1996, subsp. nov.
Bartonella vinsonii subsp. vinsonii (Weiss and Dasch 1982) Kordick et al. 1996, subsp. nov.

¤ Bartonellaceae Gieszczykiewicz 1939 (Approved Lists 1980), familia.

¤ Basfia Kuhnert et al. 2010, gen. nov.
Basfia succiniciproducens Kuhnert et al. 2010, sp. nov.

¤ Bauldia Yee et al. 2010, gen. nov.
Bauldia consociata (Vasil'eva et al. 2009) Yee et al. 2010, comb. nov.
Bauldia litoralis (Bauld et al. 1983) Yee et al. 2010, comb. nov.

¤ Bavariicoccus Schmidt et al. 2009, gen. nov.
Bavariicoccus seileri Schmidt et al. 2009, sp. nov.

¤ Bdellovibrio Stolp and Starr 1963 (Approved Lists 1980), genus.
Bdellovibrio bacteriovorus Stolp and Starr 1963 (Approved Lists 1980), species.
Bdellovibrio starrii Seidler et al. 1972 (Approved Lists 1980), species.
Bdellovibrio stolpii Seidler et al. 1972 (Approved Lists 1980), species.

¤ Bdellovibrionaceae Garrity et al. 2006, fam. nov.

¤ Bdellovibrionales Garrity et al. 2006, ord. nov.

¤ Beggiatoa Trevisan 1842 (Approved Lists 1980), genus.
Beggiatoa alba (Vaucher 1803) Trevisan 1845 (Approved Lists 1980), species.

¤ Beggiatoaceae Migula 1894 (Approved Lists 1980), familia.

¤ Beggiatoales Buchanan 1957 (Approved Lists 1980), ordo.

¤ Beijerinckia Derx 1950 (Approved Lists 1980), genus.
Beijerinckia derxii Tchan 1957 (Approved Lists 1980), species.
Beijerinckia derxii subsp. derxii (Tchan 1957) Thompson and Skerman 1981, subsp. nov.
Beijerinckia derxii subsp. venezuelae Thompson and Skerman 1981, subsp. nov.
Beijerinckia doebereinerae Oggerin et al. 2009, sp. nov.
Beijerinckia fluminensis Döbereiner and Ruschel 1958 (Approved Lists 1980), species.
Beijerinckia indica (Starkey and De 1939) Derx 1950 (Approved Lists 1980), species.
Beijerinckia indica subsp. indica (Starkey and De 1939) Thompson and Skerman 1981, subsp. nov.
Beijerinckia indica subsp. lacticogenes Thompson and Skerman 1981, subsp. nov.
Beijerinckia mobilis Derx 1950 (Approved Lists 1980), species.

¤ Beijerinckiaceae Garrity et al. 2006, fam. nov.

¤ Belliella Brettar et al. 2004, gen. nov.
Belliella baltica Brettar et al. 2004, sp. nov.
Belliella pelovolcani Arun et al. 2009, sp. nov.

¤ Bellilinea Yamada et al. 2007, gen. nov.
Bellilinea caldifistulae Yamada et al. 2007, sp. nov.

¤ Belnapia Reddy et al. 2006, gen. nov.
Belnapia moabensis Reddy et al. 2006, sp. nov.

¤ Beneckea Campbell 1957 (Approved Lists 1980), genus.
Beneckea alginolytica (Miyamoto et al. 1961) Baumann et al. 1971 (Approved Lists 1980), species.
Beneckea campbellii Baumann et al. 1971 (Approved Lists 1980), species.
Beneckea gazogenes (ex Harwood 1978) Harwood et al. 1980, sp. nov., nom. rev.
Beneckea harveyi (Johnson and Shunk 1936) Reichelt and Baumann 1973 (Approved Lists 1980), species.
Beneckea natriegens (Payne et al. 1961) Baumann et al. 1971 (Approved Lists 1980), species.
Beneckea nereis corrig. (ex Baumann et al. 1971) Harwood et al. 1980, sp. nov., nom. rev.
Beneckea nigripulchritudo corrig. Baumann et al. 1971 (Approved Lists 1980), species.
Beneckea parahaemolytica (Fujino et al. 1951) Baumann et al. 1971 (Approved Lists 1980), species.
Beneckea pelagia Baumann et al. 1971 (Approved Lists 1980), species.
Beneckea splendida (Beijerinck 1900) Reichelt et al. 1979 (Approved Lists 1980), species.
Beneckea vulnifica Reichelt et al. 1979 (Approved Lists 1980), species.

¤ Bergeriella Xie and Yokota 2005, gen. nov.
Bergeriella denitrificans (Berger 1962) Xie and Yokota 2005, comb. nov.

¤ Bergeyella Vandamme et al. 1994, gen. nov.
Bergeyella zoohelcum (Holmes et al. 1987) Vandamme et al. 1994, comb. nov.

¤ Bermanella Pinhassi et al. 2009, gen. nov.
Bermanella marisrubri Pinhassi et al. 2009, sp. nov.

¤ Betaproteobacteria Garrity et al. 2006, class. nov.

¤ Beutenbergia Groth et al. 1999, gen. nov.
Beutenbergia cavernae Groth et al. 1999, sp. nov.

¤ Beutenbergiaceae Zhi et al. 2009, fam. nov.

¤ Bhargavaea Manorama et al. 2009, gen. nov.
Bhargavaea cecembensis Manorama et al. 2009, sp. nov.

¤ Bibersteinia Blackall et al. 2007, gen. nov.
Bibersteinia trehalosi (Sneath and Stevens 1990) Blackall et al. 2007, comb. nov.

¤ Bifidobacteriaceae Stackebrandt et al. 1997, fam. nov.

¤ Bifidobacteriales Stackebrandt et al. 1997, ord. nov.

¤ Bifidobacterium Orla-Jensen 1924 (Approved Lists 1980), genus.
Bifidobacterium actinocoloniiforme Killer et al. 2011, sp. nov.
Bifidobacterium adolescentis Reuter 1963 (Approved Lists 1980), species.
Bifidobacterium angulatum Scardovi and Crociani 1974 (Approved Lists 1980), species.
Bifidobacterium animalis (Mitsuoka 1969) Scardovi and Trovatelli 1974 (Approved Lists 1980), species.
Bifidobacterium animalis subsp. animalis (Mitsuoka 1969) Masco et al. 2004, subsp. nov.
Bifidobacterium animalis subsp. lactis (Meile et al. 1997) Masco et al. 2004, comb. nov.
Bifidobacterium asteroides Scardovi and Trovatelli 1969 (Approved Lists 1980), species.
Bifidobacterium bifidum (Tissier 1900) Orla-Jensen 1924 (Approved Lists 1980), species.
Bifidobacterium bohemicum Killer et al. 2011, sp. nov.
Bifidobacterium bombi Killer et al. 2009, sp. nov.
Bifidobacterium boum Scardovi et al. 1979 (Approved Lists 1980), species.
Bifidobacterium breve Reuter 1963 (Approved Lists 1980), species.
Bifidobacterium catenulatum Scardovi and Crociani 1974 (Approved Lists 1980), species.
Bifidobacterium choerinum Scardovi et al. 1979 (Approved Lists 1980), species.
Bifidobacterium coryneforme (ex Scardovi and Trovatelli 1969) Biavati et al. 1982, sp. nov., nom. rev.
Bifidobacterium cuniculi Scardovi et al. 1979 (Approved Lists 1980), species.
Bifidobacterium denticolens Crociani et al. 1996, sp. nov.
Bifidobacterium dentium Scardovi and Crociani 1974 (Approved Lists 1980), species.
Bifidobacterium gallicum Lauer 1990, sp. nov.
Bifidobacterium gallinarum Watabe et al. 1983, sp. nov.
Bifidobacterium globosum (ex Scardovi et al. 1969) Biavati et al. 1982, sp. nov., nom. rev.
Bifidobacterium indicum Scardovi and Trovatelli 1969 (Approved Lists 1980), species.
Bifidobacterium infantis Reuter 1963 (Approved Lists 1980), species.
Bifidobacterium inopinatum Crociani et al. 1996, sp. nov.
Bifidobacterium kashiwanohense Morita et al. 2011, sp. nov.
Bifidobacterium lactis Meile et al. 1997, sp. nov.
Bifidobacterium longum Reuter 1963 (Approved Lists 1980), species.
Bifidobacterium longum subsp. infantis (Reuter 1963) Mattarelli et al. 2008, comb. nov.
Bifidobacterium longum subsp. longum (Reuter 1963) Mattarelli et al. 2008, subsp. nov.
Bifidobacterium longum subsp. suis (Matteuzzi et al. 1971) Mattarelli et al. 2008, comb. nov.
Bifidobacterium magnum Scardovi and Zani 1974 (Approved Lists 1980), species.
Bifidobacterium merycicum Biavati and Mattarelli 1991, sp. nov.
Bifidobacterium minimum Biavati et al. 1982, sp. nov.
Bifidobacterium mongoliense Watanabe et al. 2009, sp. nov.
Bifidobacterium pseudocatenulatum Scardovi et al. 1979 (Approved Lists 1980), species.
Bifidobacterium pseudolongum Mitsuoka 1969 (Approved Lists 1980), species.
Bifidobacterium pseudolongum subsp. globosum (Biavati et al. 1982) Yaeshima et al. 1992, comb. nov.
Bifidobacterium pseudolongum subsp. pseudolongum (Mitsuoka 1969) Yaeshima et al. 1992, subsp. nov.
Bifidobacterium psychraerophilum Simpson et al. 2004, sp. nov.
Bifidobacterium pullorum Trovatelli et al. 1974 (Approved Lists 1980), species.
Bifidobacterium ruminantium Biavati and Mattarelli 1991, sp. nov.
Bifidobacterium saeculare Biavati et al. 1992, sp. nov.
Bifidobacterium scardovii Hoyles et al. 2002, sp. nov.
Bifidobacterium stercoris Kim et al. 2010, sp. nov.
Bifidobacterium subtile Biavati et al. 1982, sp. nov.
Bifidobacterium suis Matteuzzi et al. 1971 (Approved Lists 1980), species.
Bifidobacterium thermacidophilum Dong et al. 2000, sp. nov.
Bifidobacterium thermacidophilum subsp. porcinum Zhu et al. 2003, subsp. nov.
Bifidobacterium thermacidophilum subsp. thermacidophilum (Dong et al. 2000) Zhu et al. 2003, subsp. nov.
Bifidobacterium thermophilum corrig. Mitsuoka 1969 (Approved Lists 1980), species.
Bifidobacterium tsurumiense Okamoto et al. 2008, sp. nov.

¤ Bilophila Baron et al. 1990, gen. nov.
Bilophila wadsworthia Baron et al. 1990, sp. nov.

¤ Biostraticola Verbarg et al. 2008, gen. nov.
Biostraticola tofi Verbarg et al. 2008, sp. nov.

¤ Bisgaardia Foster et al. 2011, gen. nov.
Bisgaardia hudsonensis Foster et al. 2011, sp. nov.

¤ Bizionia Nedashkovskaya et al. 2005, gen. nov.
Bizionia algoritergicola Bowman and Nichols 2005, sp. nov.
Bizionia argentinensis Bercovich et al. 2008, sp. nov.
Bizionia echini Nedashkovskaya et al. 2010, sp. nov.
Bizionia gelidisalsuginis Bowman and Nichols 2005, sp. nov.
Bizionia myxarmorum Bowman and Nichols 2005, sp. nov.
Bizionia paragorgiae Nedashkovskaya et al. 2005, sp. nov.
Bizionia saleffrena Bowman and Nichols 2005, sp. nov.

¤ Blastobacter Zavarzin 1961 (Approved Lists 1980), genus.
Blastobacter aggregatus Hirsch and Müller 1986, sp. nov.
Blastobacter capsulatus Hirsch and Müller 1986, sp. nov.
Blastobacter denitrificans Hirsch and Müller 1986, sp. nov.
Blastobacter henricii Zavarzin 1961 (Approved Lists 1980), species.
Blastobacter natatorius Sly 1985, sp. nov.

¤ Blastochloris Hiraishi 1997, gen. nov.
Blastochloris gulmargensis Venkata Ramana et al. 2011, sp. nov.
Blastochloris sulfoviridis (Keppen and Gorlenko 1975) Hiraishi 1997, comb. nov.
Blastochloris viridis (Drews and Giesbrecht 1966) Hiraishi 1997, comb. nov.

¤ Blastococcus Ahrens and Moll 1970 (Approved Lists 1980), genus.
Blastococcus aggregatus Ahrens and Moll 1970 (Approved Lists 1980), species.
Blastococcus jejuensis Lee 2006, sp. nov.
Blastococcus saxobsidens Urzì et al. 2004, sp. nov.

¤ Blastomonas Sly and Cahill 1997, gen. nov.
Blastomonas natatoria (Sly 1985) Sly and Cahill 1997, comb. nov.
Blastomonas ursincola (Yurkov et al. 1997) Hiraishi et al. 2000, comb. nov.

¤ Blastopirellula Schlesner et al. 2004, gen. nov.
Blastopirellula marina (Schlesner 1987) Schlesner et al. 2004, comb. nov.

¤ Blattabacteriaceae Kambhampati 2012, fam. nov.

¤ Blattabacterium Hollande and Favre 1931 (Approved Lists 1980), genus.
Blattabacterium cuenoti (Mercier 1906) Hollande and Favre 1931 (Approved Lists 1980), species.

¤ Blautia Liu et al. 2008, gen. nov.
Blautia coccoides (Kaneuchi et al. 1976) Liu et al. 2008, comb. nov.
Blautia glucerasea corrig. Furuya et al. 2010, sp. nov.
Blautia hansenii (Holdeman and Moore 1974) Liu et al. 2008, comb. nov.
Blautia hydrogenotrophica (Bernalier et al. 1997) Liu et al. 2008, comb. nov.
Blautia luti (Simmering et al. 2002) Liu et al. 2008, comb. nov.
Blautia producta (Prévot 1941) Liu et al. 2008, comb. nov.
Blautia schinkii (Rieu-Lesme et al. 1997) Liu et al. 2008, comb. nov.
Blautia wexlerae Liu et al. 2008, sp. nov.

¤ Bogoriella Groth et al. 1997, gen. nov.
Bogoriella caseilytica Groth et al. 1997, sp. nov.

¤ Bogoriellaceae Schumann and Stackebrandt 2000, fam. nov.

¤ Bordetella Moreno-López 1952 (Approved Lists 1980), genus.
Bordetella avium Kersters et al. 1984, sp. nov.
Bordetella bronchiseptica (Ferry 1912) Moreno-López 1952 (Approved Lists 1980), species.
Bordetella hinzii Vandamme et al. 1995, sp. nov.
Bordetella holmesii Weyant et al. 1995, sp. nov.
Bordetella parapertussis (Eldering and Kendrick 1938) Moreno-López 1952 (Approved Lists 1980), species.
Bordetella pertussis (Bergey et al. 1923) Moreno-López 1952 (Approved Lists 1980), species.
Bordetella petrii Von Wintzingerode et al. 2001, sp. nov.
Bordetella trematum Vandamme et al. 1996, sp. nov.

¤ Borrelia Swellengrebel 1907 (Approved Lists 1980), genus.
Borrelia afzelii Canica et al. 1994, sp. nov.
Borrelia americana Rudenko et al. 2010, sp. nov.
Borrelia anserina (Sakharoff 1891) Bergey et al. 1925 (Approved Lists 1980), species.
Borrelia baltazardii corrig. (ex Karimi et al. 1979) Karimi et al. 1983, sp. nov., nom. rev.
Borrelia brasiliensis Davis 1952 (Approved Lists 1980), species.
Borrelia burgdorferi Johnson et al. 1984, sp. nov.
Borrelia carolinensis Rudenko et al. 2011, sp. nov.
Borrelia caucasica (Kandelaki 1945) Davis 1957 (Approved Lists 1980), species.
Borrelia coriaceae Johnson et al. 1987, sp. nov.
Borrelia crocidurae (Leger 1917) Davis 1957 (Approved Lists 1980), species.
Borrelia dugesii (Mazzotti 1949) Davis 1957 (Approved Lists 1980), species.
Borrelia duttonii (Novy and Knapp 1906) Bergey et al. 1925 (Approved Lists 1980), species.
Borrelia garinii Baranton et al. 1992, sp. nov.
Borrelia graingeri (Heisch 1953) Davis 1957 (Approved Lists 1980), species.
Borrelia harveyi (Garnham 1947) Davis 1948 (Approved Lists 1980), species.
Borrelia hermsii (Davis 1942) Steinhaus 1946 (Approved Lists 1980), species.
Borrelia hispanica (de Buen 1926) Steinhaus 1946 (Approved Lists 1980), species.
Borrelia japonica Kawabata et al. 1994, sp. nov.
Borrelia latyschewii (Sofiev 1941) Davis 1948 (Approved Lists 1980), species.
Borrelia lusitaniae Le Fleche et al. 1997, sp. nov.
Borrelia mazzottii Davis 1956 (Approved Lists 1980), species.
Borrelia miyamotoi Fukunaga et al. 1995, sp. nov.
Borrelia parkeri (Davis 1942) Steinhaus 1946 (Approved Lists 1980), species.
Borrelia persica (Dschunkowsky 1913) Steinhaus 1946 (Approved Lists 1980), species.
Borrelia recurrentis (Lebert 1874) Bergey et al. 1925 (Approved Lists 1980), species.
Borrelia sinica Masuzawa et al. 2001, sp. nov.
Borrelia spielmanii Richter et al. 2006, sp. nov.
Borrelia tanukii Fukunaga et al. 1997, sp. nov.
Borrelia theileri (Laveran 1903) Bergey et al. 1925 (Approved Lists 1980), species.
Borrelia tillae Zumpt and Organ 1961 (Approved Lists 1980), species.
Borrelia turcica Güner et al. 2004, sp. nov.
Borrelia turdi corrig. Fukunaga et al. 1997, sp. nov.
Borrelia turicatae (Brumpt 1933) Steinhaus 1946 (Approved Lists 1980), species.
Borrelia valaisiana Wang et al. 1997, sp. nov.
Borrelia venezuelensis (Brumpt 1921) Brumpt 1922 (Approved Lists 1980), species.

¤ Bosea Das et al. 1996, gen. nov.
Bosea eneae La Scola et al. 2003, sp. nov.
Bosea massiliensis La Scola et al. 2003, sp. nov.
Bosea minatitlanensis Ouattara et al. 2003, sp. nov.
Bosea thiooxidans Das et al. 1996, sp. nov.
Bosea vestrisii La Scola et al. 2003, sp. nov.

¤ Bowmanella Jean et al. 2006, gen. nov.
Bowmanella denitrificans Jean et al. 2006, sp. nov.
Bowmanella pacifica Lai et al. 2009, sp. nov.

¤ Brachybacterium Collins et al. 1988, gen. nov.
Brachybacterium alimentarium Schubert et al. 1996, sp. nov.
Brachybacterium conglomeratum (ex Migula 1900) Takeuchi et al. 1995, nom. rev., comb. nov.
Brachybacterium faecium Collins et al. 1988, sp. nov.
Brachybacterium fresconis Heyrman et al. 2002, sp. nov.
Brachybacterium muris Buczolits et al. 2003, sp. nov.
Brachybacterium nesterenkovii Gvozdyak et al. 1992, sp. nov.
Brachybacterium paraconglomeratum Takeuchi et al. 1995, sp. nov.
Brachybacterium phenoliresistens Chou et al. 2007, sp. nov.
Brachybacterium rhamnosum Takeuchi et al. 1995, sp. nov.
Brachybacterium sacelli Heyrman et al. 2002, sp. nov.
Brachybacterium saurashtrense Gontia et al. 2011, sp. nov.
Brachybacterium squillarum Park et al. 2011, sp. nov.
Brachybacterium tyrofermentans Schubert et al. 1996, sp. nov.
Brachybacterium zhongshanense Zhang et al. 2007, sp. nov.

¤ Brachymonas Hiraishi et al. 1995, gen. nov.
Brachymonas chironomi Halpern et al. 2009, sp. nov.
Brachymonas denitrificans Hiraishi et al. 1995, sp. nov.

¤ Brachyspira Hovind-Hougen et al. 1983, gen. nov.
Brachyspira aalborgi Hovind-Hougen et al. 1983, sp. nov.
Brachyspira alvinipulli Stanton et al. 1998, sp. nov.
Brachyspira hyodysenteriae (Harris et al. 1972) Ochiai et al. 1998, comb. nov.
Brachyspira innocens (Kinyon and Harris 1979) Ochiai et al. 1998, comb. nov.
Brachyspira intermedia (Stanton et al. 1997) Hampson and La 2006, comb. nov.
Brachyspira murdochii (Stanton et al. 1997) Hampson and La 2006, comb. nov.
Brachyspira pilosicoli (Trott et al. 1996) Ochiai et al. 1998, comb. nov.

¤ Brackiella Willems et al. 2002, gen. nov.
Brackiella oedipodis Willems et al. 2002, sp. nov.

¤ Bradyrhizobiaceae Garrity et al. 2006, fam. nov.

¤ Bradyrhizobium Jordan 1982, gen. nov.
Bradyrhizobium betae Rivas et al. 2004, sp. nov.
Bradyrhizobium canariense Vinuesa et al. 2005, sp. nov.
Bradyrhizobium cytisi Chahbourne et al. 2011, sp. nov.
Bradyrhizobium denitrificans (Hirsch and Müller 1986) van Berkum et al. 2011, comb. nov.
Bradyrhizobium elkanii Kuykendall et al. 1993, sp. nov.
Bradyrhizobium iriomotense Islam et al. 2010, sp. nov.
Bradyrhizobium japonicum (Kirchner 1896) Jordan 1982, comb. nov.
Bradyrhizobium jicamae Ramírez-Bahena et al. 2009, sp. nov.
Bradyrhizobium lablabi Chang et al. 2011, sp. nov.
Bradyrhizobium liaoningense Xu et al. 1995, sp. nov.
Bradyrhizobium pachyrhizi Ramírez-Bahena et al. 2009, sp. nov.
Bradyrhizobium yuanmingense Yao et al. 2002, sp. nov.

¤ Branchiibius Sugimoto et al. 2011, gen. nov.
Branchiibius hedensis Sugimoto et al. 2011, sp. nov.

¤ Branhamaceae Catlin 1991, fam. nov.

¤ Branhamella Catlin 1970 (Approved Lists 1980), genus.
Branhamella catarrhalis (Frosch and Kolle 1896) Catlin 1970 (Approved Lists 1980), species.