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Classifications Browser Servers - ClassificationBank - Bacteria - based on J.P. Euzeby.
   Non-authoritative checklist of bacteria to genus based on Euzeby. Refer to Bacterial Nomenclature Up-To-Date for the most current and authoritative information.


root
Biota (Super-domain)
Archaea (2)
Crenarchaeota Garrity and Holt 2002 (Phylum)
Thermoprotei (4)
Thermoproteales Zillig and Stetter 1982 (Order)
Thermoproteaceae (Family)
Thermoproteus Zillig and Stetter 1982 (Genus)
Caldivirga Itoh et al. 1999 (Genus)
Pyrobaculum Huber et al. 1988 (Genus)
Thermocladium Itoh et al. 1998 (Genus)
Thermofilaceae (Family)
Thermofilum Zillig and Gierl 1983 (Genus)
Desulfurococcales (5)
Desulfurococcaceae (Family)
Desulfurococcus Zillig and Stetter 1983 (Genus)
Aeropyrum Sako et al. 1996 (Genus)
Ignicoccus Huber et al. 2000 (Genus)
Staphylothermus Stetter and Fiala 1986 (Genus)
Stetteria Jochimsen et al. 1998 (Genus)
Sulfophobococcus Hensel et al. 1997 (Genus)
Thermodiscus (Genus)
Thermosphaera Huber et al. 1998 (Genus)
Pyrodictiaceae (Family)
Pyrodictium Stetter et al. 1984 (Genus)
Hyperthermus Zillig et al. 1991 (Genus)
Pyrolobus Blchl et al. 1999 (Genus)
Sulfolobales (5)
Sufolobaceae (Family)
Sulfolobus Brock et al. 1972 (Genus)
Acidianus Segerer et al. 1986 (Genus)
Metallosphaera Huber et al. 1989 (Genus)
Stygiolobus Segerer et al. 1991 (Genus)
Sulfurisphaera Kurosawa et al. 1998 (Genus)
Sulfurococcus Golovacheva et al. 1995 (Genus)
Crenarchaeota incertae sedis (5)
Unassigned crenarchaeotes (Family)
Acidilobus Prokofeva et al. 2000 (Genus)
Euryarchaeota Cavalier-Smith 2002 (Sub-division)
Methanobacteria (4)
Methanobacteriales Balch and Wolfe 1981 (Order)
Methanobacteriaceae (Family)
Methanobacterium Kluyver and van Niel 1936 (Genus)
Methanobrevibacter Balch and Wolfe 1981 (Genus)
Methanosphaera Miller and Wolin 1985 (Genus)
Methanothermobacter Wasserfallen et al. 2000 (Genus)
Methanothermaceae (Family)
Methanothermus Stetter 1982 (Genus)
Methanococci (4)
Methanococcales Balch and Wolfe 1981 (Order)
Methanococcaceae (Family)
Methanococcus Kluyver and van Niel 1936 emend. Barker 1936 emend. Mah and Kuhn 1984 (Genus)
Methanothermococcus (Genus)
Methanocaldococcaceae (Family)
Methanocaldococcus (Genus)
Methanotorris (Genus)
Methanomicrobiales (5)
Methanomicrobiaceae (Family)
Methanomicrobium Balch and Wolfe 1981 (Genus)
Methanoculleus Maestrojun et al. 1990 (Genus)
Methanofollis Zellner et al. 1999 (Genus)
Methanogenium Romesser et al. 1981 emend. Maestrojun et al. 1990 (Genus)
Methanolacinia Zellner et al. 1990 (Genus)
Methanoplanus Wildgruber et al. 1984 (Genus)
Methanocorpusculaceae (Family)
Methanocorpusculum Zellner et al. 1988 emend. Xun et al. 1989 (Genus)
Methanospirillaceae (Family)
Methanospirillum Ferry et al. 1974 (Genus)
Methanococci incertaesedis (Family)
Methanocalculus Ollivier et al. 1998 (Genus)
Methanosarcinales (5)
Methanosarcinaceae (Family)
Methanosarcina Kluyver and van Niel 1936 emend. Mah and Kuhn 1984 emend. Ni et al. 1994 (Genus)
Methanococcoides Sowers and Ferry 1985 (Genus)
Methanohalobium Zhilina and Zavarzin 1988 (Genus)
Methanohalophilus Paterek and Smith 1988 (Genus)
Methanolobus Knig and Stetter 1983 (Genus)
Methanosalsum (Genus)
Halomethanococcus Yu and Kawamura 1988 (Genus)
Methanomicrococcus Sprenger et al. 2000 (Genus)
Methanothrix Huser et al. 1983 (Genus)
Methanosaetaceae (Family)
Methanosaeta Patel and Sprott 1990 (Genus)
Halobacteria (4)
Halobacteriales (5)
Halobacteriaceae (Family)
Halobacterium Elazari-Volcani 1957 (Genus)
Haloarcula Torreblanca et al. 1986 (Genus)
Halobaculum Oren et al. 1995 (Genus)
Halococcus Schoop 1935 (Genus)
Haloferax Torreblanca et al. 1986 (Genus)
Halogeometricum Montalvo-Rodrguez et al. 1998 (Genus)
Halorhabdus Wainoe et al. 2000 (Genus)
Halorubrum McGenity and Grant 1996 (Genus)
Haloterrigena Ventosa et al. 1999 (Genus)
Natrialba Kamekura and Dyall-Smith 1996 (Genus)
Natrinema McGenity et al. 1998 emend. Xin et al. 2000 (Genus)
Natronobacterium Tindall et al. 1984 (Genus)
Natronococcus Tindall et al. 1984 (Genus)
Natronomonas Kamekura et al. 1997 (Genus)
Natronorubrum Xu et al. 1999 (Genus)
Thermoplasmata (4)
Thermoplasmatales (5)
Thermoplasmataceae (Family)
Thermoplasma Darland et al. 1970 (Genus)
Picrophilaceae (Family)
Picrophilus Schleper et al. 1996 (Genus)
Thermococci Zillig and Reysenbach 2002 (4)
Thermococcales Zillig et al. 1988 (Order)
Thermococcaceae (Family)
Thermococcus Zillig 1983 (Genus)
Pyrococcus Fiala and Stetter 1986 (Genus)
Palaeococcus Takai et al. 2000 (Genus)
Archaeoglobi (4)
Archaeoglobales (5)
Archaeoglobaceae (Family)
Archaeoglobus Stetter 1988 (Genus)
Ferroglobus Hafenbradl et al. 1997 (Genus)
Methanopyri (4)
Methanopyrales (5)
Methanopyraceae (Family)
Methanopyrus Kurr et al. 1992 (Genus)
Bacteria Cavalier-Smith 2002, regnum nov. (Kingdom)
Aquificae(1) (3)
Aquificae Reysenbach 2002 (Phylum)
Aquificales Reysenbach 2002 (Order)
Aquificaceae (Family)
Aquifex Huber and Stetter 1992 (Genus)
Calderobacterium Kryukov et al. 1984 (Genus)
Hydrogenobacter Kawasumi et al. 1984 (Genus)
Thermocrinis Huber et al. 1999 (Genus)
Aquificales incertae sedis (Family)
Desulfurobacterium L'Haridon et al. 1998 (Genus)
Thermotogae(1) (3)
Thermotogae Reysenbach 2002 (Phylum)
Thermotogales Huber and Stetter 2002 (Order)
Thermotogaceae (Family)
Thermotoga Stetter and Huber 1986 (Genus)
Fervidobacterium Patel et al. 1985 (Genus)
Geotoga Davey et al. 1993 (Genus)
Petrotoga Davey et al. 1993 (Genus)
Thermosipho Huber et al. 1989 emend. Ravot et al. 1996 (Genus)
Marinitoga Wery et al. 2001 (Genus)
Thermodesulfobacteria Garrity and Holt 2002, (Phylum)
Thermodesuliobacteria (4)
Thermodesulfobacterium Zeikus et al. 1995 (Genus)
Thermodesulfobacterium Zeikus et al. 1995 (Genus)
Desulfotalea Knoblauch et al. 1999 (Genus)
Desulfovirga Tanaka et al. 2000 (Genus)
Deinococcusthermus (3)
Deinococci (4)
Deinococcales (5)
Deinococcaceae (Family)
Deinococcus Brooks and Murray 1981 emend. Rainey et al. 1997 (Genus)
Thermales (5)
Thermaceae (Family)
Thermus Brock and Freeze 1969 emend. Nobre et al. 1996 (Genus)
Meiothermus Nobre et al. 1996 (Genus)
Chrysiogenetes(1) (3)
Chrysiogenetes Garrity and Holt 2002 (Phylum)
Chrysiogenales Garrity and Holt 2002 (Order)
Chrysiogenaceae (Family)
Chrysiogenes Macy et al. 1996 (Genus)
Chloroflexi(1) (3)
Chloroflexi Garrity and Holt 2002 (Phylum)
Thermomicrobia Garrity and Holt 2002 (Phylum)
Thermomicrobiales Garrity and Holt 2002 (Order)
Thermomicrobiaceae (Family)
Thermomicrobium Jackson et al. 1973 (Genus)
Chloroflexales (Order)
Chloroflexaceae (Family)
Chloroflexus Pierson and Castenholz (Genus)
Chloronema Dubinina and Gorlenko 1975 (Genus)
Heliothrix Pierson et al. 1986 (Genus)
Oscillochloris Gorlenko and Pivovarova 1989 emend. Keppen et al. 2000 (Genus)
Herpetosiphonales (5)
Herpetosiphonaceae (Family)
Herpetosiphon Holt and Lewin 1968 (Genus)
Nitrospirae (3)
Nitrospira{29. 1} (4)
Nitrospirales (5)
Nitrospiraceae (Family)
Nitrospira Watson et al. 1986 (Genus)
Leptospirillum (ex Markosyan 1972) Hippe 2000 (Genus)
Magnetobacterium (Genus)
Thermodesulfovibrio Henry et al. 1994 (Genus)
Deferribacteres(1) (3)
Deferribacteres Garrity and Holt 2002 (Phylum)
Deferribacterales Huber and Stetter 2002 (Order)
Deferribacteraceae (Family)
Deferribacter Greene et al. 1997 (Genus)
Flexistipes Fiala et al. 2000 (Genus)
Geovibrio Caccavo et al. 2000 (Genus)
Denitrovibrio Myhr and Torsvik 2000 (Genus)
Deferribacters incertae sedis (Family)
Synergistes Allison et al. 1993 (Genus)
Cyanobacteria(1) (3)
Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 (Division)
Group1 (5)
Unnamed family{29. 1} (Family)
Chamaesiphon A. Braun and Grunow, 1726 (Genus)
Chroococcus Nageli, 1849 (Genus)
Cyanobacterium (Genus)
Cyanobium (Genus)
Cyanothece (Genus)
Dactylococcopsis (Genus)
Gloeobaeter (Genus)
Gloeocapsa Kuetzing, 1843 (Genus)
Gloeothece Nageli, 1849 (Genus)
Microcystis Lemmermann, 1907 (Genus)
Prochlorococcus Chisholm et. al., 2001 (Genus)
Prochloron (ex Lewin 1977) Florenzano et al. 1986 (Genus)
Synechococcus Nageli, 1849 (Genus)
Synechocystis C. Sauvageau, 1892 (Genus)
Group2 (5)
Subgroup 2a (Family)
Cyanocystis (Genus)
Dermocarpella (Genus)
Stanieria (Genus)
Xenococcus Thuret, 1880 (Genus)
Subgroup 2b (Family)
Chroococcidiopsis (Genus)
Myxinosarcina (Genus)
Pleurocapsa Thuret, 1885 (Genus)
Group3 (5)
Un-named (Family)
Arthrospira Sitzenberger Ex Gomont, 1893 (Genus)
Borzia Cohn, 1883 (Genus)
Crinalium (Genus)
Geitlerinema (Genus)
Leptolyngbya (Genus)
Limnothrix (Genus)
Lyngbya Agardh Ex Gomont, 1892 (Genus)
Microcoleus Desmazieres Ex Gomont (Genus)
Oscillatoria Vaucher Ex Gomont, 1893 (Genus)
Planktothrix (Genus)
Prochlorothrix Burger-Wiersma et al. 1989 (Genus)
Pseudanabaena Lauterborn, 1915 (Genus)
Spirulina Turpin Ex Gomont, 1893 (Genus)
Starria (Genus)
Symploca Kuetzing Ex Gomont, 1892 (Genus)
Trichodesmium (Genus)
Tychonema (Genus)
Halospirulina Nbel et al. 2000 (Genus)
Group4 (5)
Subgroup 4a (Family)
Anabaena St. Vincent, 1886, Ex Bornet and Flah (Genus)
Anabaenopsis Miller, 1923 (Genus)
Aphanizomenon Morren, 1888 Ex Bornet and Flahault (Genus)
Cyanospira (Genus)
Cylindrospermopsis Seenayya and Subbaraju, 1972 (Genus)
Cylindrospermum Kuetzing Ex Bor. and Flah., 1888 (Genus)
Nodularia Mertens Ex Born. and Flah., 1886 (Genus)
Nostoc Vaucher, 1888, Ex Bornet and Flahaul (Genus)
Scytonema Agardh, 1887 Ex Bornet and Flahault (Genus)
Subgroup 4b (Family)
Calothrix Agardh, 1886 Ex Bornet and Flahault (Genus)
Rivularia Agardh, 1886 Ex Bornet and Flahault (Genus)
Tolypothrix Kutzing, 1887 Ex Bornet and Flahaul (Genus)
Group5 (5)
5a (Family)
Chlorogloeopsis Mitra and Pandey, 1967 (Genus)
Geitleria (Genus)
Iyengariella (Genus)
Nostochopsis Wood Ex Bornet et Flahault, 188 (Genus)
Stigonema C. Agardh, 1887 Ex Bornet and Flacha (Genus)
Cyanobacteria others (5)
Not validated (Family)
Merismopedia Meyen, 1839 (Genus)
Plectonema Thuret Ex Gomont, 1892 (Genus)
Anacystis Meneghini, 1837 (Genus)
Chlorobi (3)
Chlorobia (4)
Chlorobiales (5)
Chlorobiaceae (Family)
Chlorobium Nadson 1906 (Genus)
Ancalochloris Gorlenko and Lebedeva 1971 (Genus)
Chloroherpeton Gibson et al. 1985 (Genus)
Pelodictyon Lauterborn 1913 (Genus)
Prosthecochloris Gorlenko 1970 (Genus)
Proteobacteria Cavalier-Smith 2002, (Division)
Alphaproteobacteria (4)
Rhodospirillales (5)
Rhodospirillaceae (Family)
Rhodospirillum (Molisch 1907) van Niel 1944 emend. Imhoff et al. 1998 (Genus)
Azospirillum Tarrand et al. 1979 emend. Falk et al. 1985 (Genus)
Magnetospirillum Schleifer et al. 1992 (Genus)
Phaeospirillum Imhoff et al. 1998 (Genus)
Rhodocista Kawasaki et al. 1994 (Genus)
Rhodospira Pfennig et al. 1998 (Genus)
Rhodothalassium Imhoff et al. 1998 (Genus)
Rhodovibrio Imhoff et al. 1998 (Genus)
Roseospira Imhoff et al. 1998 (Genus)
Skermanella Sly and Stackebrandt 1999 (Genus)
Conglomeromonas Skerman et al. 1983 (Genus)
Acetobacteraceae (Family)
Acetobacter Beijerinck 1898 (Genus)
Acidiphilium Harrison 1981 emend. Kishimoto et al. 1995 (Genus)
Acidocella Kishimoto et al. 1996 (Genus)
Acidomonas Urakami et al. 1989 (Genus)
Craurococcus Saito et al. 1998 (Genus)
Gluconacetobacter Yamada et al. 1998 (Genus)
Gluconobacter Asai 1935 (Genus)
Paracraurococcus Saito et al. 1998 (Genus)
Rhodopila Imhoff et al. 1984 (Genus)
Roseococcus Yurkov et al. 1994 (Genus)
Stella Vasilyeva 1985 (Genus)
Zavarzinia Meyer et al. 1994 (Genus)
Acidisphaera Hiraishi et al. 2000 (Genus)
Asaia Yamada et al. 2000 (Genus)
Oceanimonas Brown et al. 2001 (Genus)
Rickettsiales (5)
Rickettsiaceae (Family)
Rickettsia da Rocha-Lima 1916 (Genus)
Orientia Tamura et al. 1995 (Genus)
Wolbachia Hertig 1936 (Genus)
Ehrlichiaceae (Family)
Ehrlichia Moshkovski 1945 emend. Dumler et al. 2001 (Genus)
Aegyptianella Carpano 1929 (Genus)
Anaplasma Theiler 1910 emend. Dumler et al. 2001 (Genus)
Cowdria Moshkovski 1947 (Genus)
Neorickettsia Philip et al. 1953 emend. Dumler et al. 2001 (Genus)
Holosporaceae (Family)
Holospora (ex Hafkine 1890) Gromov and Ossipov 1981 (Genus)
Caedibacter Preer and Preer 1982 (Genus)
Lyticum Preer and Preer 1982 (Genus)
Polynucleobacter Heckmann and Schmidt 1987 (Genus)
Pseudocaedibacter Quackenbush 1982 (Genus)
Symbiotes Philip 1956 (Genus)
Tectibacter Preer and Preer 1982 (Genus)
Rhodobacterales (5)
Rhodobacteraceae (Family)
Rhodobacter Imhoff et al. 1984 (Genus)
Ahrensia Uchino et al. 1999 (Genus)
Amaricoccus Maszenan et al. 1997 (Genus)
Antarctobacter Labrenz et al. 1998 (Genus)
Gemmobacter Rothe et al. 1988 (Genus)
Hirschia Schlesner et al. 1990 (Genus)
Hyphomonas Moore et al. 1984 emend. Weiner et al. 2000 (Genus)
Maricaulis Abraham et al. 1999 (Genus)
Octadecabacter Gosink et al. 1998 (Genus)
Paracoccus Davis 1969 (Genus)
Rhodovulum Hiraishi and Ueda 1994 (Genus)
Roseovarius Labrenz et al. 1999 (Genus)
Roseobacter Shiba 1991 (Genus)
Rubrimonas Suzuki et al. 1999 (Genus)
Ruegeria Uchino et al. 1999 (Genus)
Sagittula Gonzles et al. 1997 (Genus)
Staleya Labrenz et al. 2000 (Genus)
Stappia Uchino et al. 1999 (Genus)
Sulfitobacter Sorokin 1996 (Genus)
Methylarcula Doronina et al. 2000 (Genus)
Roseibium Suzuki et al. 2000 (Genus)
Roseinatronobacter Sorokin et al. 2000 (Genus)
Roseivivax Suzuki et al. 1999 (Genus)
Silicibacter Petursdottir and Kristjansson 1999 (Genus)
Sphingomonadales (5)
Sphingomonadaceae (Family)
Sphingomonas Yabuuchi et al. 1990 emend. Takeuchi et al. 1993 emend. Yabuuchi et al. 1999 emend. Takeuchi et al. 2001 (Genus)
Blastomonas Sly and Cahill 1997 emend. Hiraishi et al. 2000 (Genus)
Erythrobacter Shiba and Simidu 1982 (Genus)
Erythromicrobium Yurkov et al. 1994 (Genus)
Erythromonas Yurkov et al. 1997 (Genus)
Porphyrobacter Fuerst et al. 1993 (Genus)
Rhizomonas van Bruggen et al. 1990 (Genus)
Sandaracinobacter Yurkov et al. 1997 (Genus)
Zymomonas Kluyver and van Niel 1936 (Genus)
Caulobacterales (5)
Caulobacteraceae (Family)
Caulobacter Henrici and Johnson 1935 emend. Abraham et al. 1999 (Genus)
Asticcacaulis Poindexter 1964 (Genus)
Breviundimonas (Genus)
Phenylobacterium Lingens et al. 1985 (Genus)
Rhizobiales (5)
Rhizobiaceae (Family)
Rhizobium Frank 1889 emend. Young et al. 2001 (Genus)
Agrobacterium Conn 1942 (Genus)
Allorhizobium de Lajudie et al. 1998 (Genus)
Carbophilus Meyer et al. 1994 (Genus)
Chelatobacter Auling et al. 1993 (Genus)
Ensifer Casida 1982 (Genus)
Sinorhizobium Chen et al. 1988 emend. De Lajudie et al. 1994 (Genus)
Bartonellaceae (Family)
Bartonella Strong et al. 1915 emend. Brenner et al. 1993 emend. Birtles et al. 1995 (Genus)
Brucellaceae (Family)
Brucella (Meyer and Shaw 1920) Verger et al. 1985 (Genus)
Mycoplana Gray and Thornton 1928 emend. Urakami et al. 1990 (Genus)
Ochrobactrum Holmes et al. 1988 (Genus)
Phyllobacteriaceae (Family)
Phylobacterium (Genus)
Aminobacter Urakami et al. 1992 (Genus)
Aquamicrobium Bambauer et al. 1998 (Genus)
Defluvibacter Fritsche et al. 1999 (Genus)
Mesorhizobium Jarvis et al. 1997 (Genus)
Pseudaminobacter Kmpfer et al. 1999 (Genus)
Phyllobacterium Knsel 1984 (Genus)
Methylocystaceae (Family)
Methylocystis (ex Romanovskaya et al. 1978) Bowman et al. 1993 (Genus)
Methylopila Doronina et al. 1998 (Genus)
Methylosinus (ex Romanovskaya et al. 1978) Bowman et al. 1993 (Genus)
Beijerinckiaceae (Family)
Beijerinckia Derx 1950 (Genus)
Chelatococcus Auling et al. 1993 (Genus)
Derxia Jensen et al. 1960 (Genus)
Methylocella Dedysh et al. 2000 (Genus)
Bradyrhizobiaceae (Family)
Bradyrhizobium Jordan 1982 (Genus)
Afipia Brenner et al. 1992 (Genus)
Agromonas Ohta and Hattori 1985 (Genus)
Blastobacter Zavarzin 1961 emend. Sly 1985 (Genus)
Bosea Das et al. 1996 (Genus)
Nitrobacter Winogradsky (Genus)
Oligotropha Meyer et al. 1994 (Genus)
Rhodopseudomonas Czurda and Maresch 1937 (Genus)
Nitrosolobus Watson et al. 1971 (Genus)
Hyphomicrobiaceae (Family)
Hyphomicrobium Stutzer and Hartleb 1899 emend. Urakami et al. 1995 (Genus)
Ancalomicrobium Staley 1968 (Genus)
Ancylobacter Raj 1983 (Genus)
Angulomicrobium Vasil'eva et al. 1986 (Genus)
Aquabacter Irgens et al. 1993 (Genus)
Azorhizobium Dreyfus et al. 1988 (Genus)
Blastochloris Hiraishi 1997 (Genus)
Devosia Nakagawa et al. 1996 (Genus)
Dichotomicrobium Hirsch and Hoffmann 1989 (Genus)
Filomicrobium Schlesner 1988 (Genus)
Gemmiger Gossling and Moore 1975 (Genus)
Labrys Vasilyeva and Semenov 1985 (Genus)
Methylorhabdus Doronina et al. 1996 (Genus)
Pedomicrobium Aristovskaya 1961 emend. Gebers and Beese 1988 (Genus)
Prosthecomicrobium Staley 1968 emend. Staley 1984 (Genus)
Rhodomicrobium Duchow and Douglas 1949 (Genus)
Rhodoplanes Hiraishi and Ueda 1994 (Genus)
Seliberia Aristovskaya and Parinkina 1963 (Genus)
Xanthobacter Wiegel et al. 1978 (Genus)
Starkeya Kelly et al. 2000 (Genus)
Methylobacteriaceae (Family)
Methylobacterium Patt et al. 1976 (Genus)
Protomonas Urakami and Komagata 1984 (Genus)
Roseomonas Rihs et al. 1998 (Genus)
Rhodobiaceae (Family)
Rhodobium Hiraishi et al. 1995 (Genus)
Betaproteobacteria (4)
Buricholderiales (5)
Burkholderiaceae (Family)
Burkholderia Yabuuchi et al. 1993 emend. Gillis et al. 1995 (Genus)
Cupriavidus Makkar and Casida 1987 (Genus)
Lautropia Gerner-Smidt et al. 1995 (Genus)
Thermothrix Caldwell et al. 1981 (Genus)
Ralstoniaceae (Family)
Ralstonia Yabuuchi et al. 1996 (Genus)
Oxalobacteraceae (Family)
Oxalobacter Allison et al. 1985 (Genus)
Duganella Hiraishi et al. 1997 (Genus)
Herbaspirillum Baldani et al. 1986 emend. Baldani et al. 1996 (Genus)
Janthinobacterium De Ley et al. 1978 emend. Lincoln et al. 1999 (Genus)
Telluria Bowman et al. 1993 (Genus)
Alcaligenaceae (Family)
Alcaligenes Castellani and Chalmers 1919 (Genus)
Achromobacter Yabuuchi and Yano 1981 emend. Yabuuchi et al. 1998 (Genus)
Bordetella Moreno-Lopez 1952 emend. von Wintzingerode et al. 2001 (Genus)
Pelistega Vandamme et al. 1998 (Genus)
Sutterella Wexler et al. 1996 (Genus)
Taylorella Sugimoto et al. 1984 (Genus)
Comamonadaceae (Family)
Comamonas (ex Davis and Park 1962) DeVos et al. 1985 emend. Willems et al. 1991 (Genus)
Acidovorax Willems et al. 1990 (Genus)
Aquabacterium Kalmbach et al. 1999 (Genus)
Brachymonas Hiraishi et al. 1995 (Genus)
Delftia Wen et al. 1999 (Genus)
Hydrogenophaga Willems et al. 1989 (Genus)
Ideonella Malmqvist et al. 1994 (Genus)
Leptothrix Kutzing 1843 (Genus)
Polaromonas Irgens et al. 1996 (Genus)
Rhodoferax Hiraishi et al. 1992 (Genus)
Roseateles Suyama et al. 1999 (Genus)
Rubrivivax Willems et al. 1991 (Genus)
Sphaerotilus Kutzing 1833 (Genus)
Thiomonas Moreira and Amils 1997 (Genus)
Variovorax (Davis 1969) Willems et al. 1991 (Genus)
Tepidimonas Moreira et al. 2000 (Genus)
Hydrogenophilales (5)
Hydrogenophilaceae (Family)
Hydrogenophilus Hayashi et al. 1999 (Genus)
Thiobacillus Beijerinck 1904 (Genus)
Methylophilales (5)
Methylophilaceae (Family)
Methylophilus Jenkins et al. 1987 (Genus)
Methylobacillus Yordy and Weaver 1977 emend. Urakami and Komagata 1986 (Genus)
Methylovorus Govorukhina and Trotsenko 1991 (Genus)
Neisseriales (5)
Neisseriaceae (Family)
Neisseria Trevisan 1885 (Genus)
Alysiella Langeron 1923 (Genus)
Aquaspirillum Hylemon et al. 1973 (Genus)
Catenococcus Sorokin 1994 (Genus)
Chromobacterium Bergonzini 1881 (Genus)
Eikenella Jackson and Goodman 1972 (Genus)
Formivibrio Tanaka et al. 1991 (Genus)
Iodobacter Logan 1989 (Genus)
Kingella Henriksen and Bovre 1976 (Genus)
Microvirgula Patureau et al. 1998 (Genus)
Prolinoborus Pot et al. 1992 (Genus)
Simonsiella Schmid 1922 (Genus)
Vitreoscilla Pringsheim 1949 (Genus)
Vogesella Grimes et al. 1997 (Genus)
Nitrosomonadales (5)
Nitrosomonadaceae (Family)
Nitrosomonas Winogradsky 1892 (Genus)
Nitrosospira Winogradsky and Winogradsky 1933 emend. Head et al. 1993 (Genus)
Spirillaceae (Family)
Spirillum Ehrenberg 1832 (Genus)
Gallionellaceae (Family)
Gallionella Ehrenberg 1838 (Genus)
Rhodocyclales (5)
Rhodocyclaceae (Family)
Rhodocyclus Pfennig 1978 (Genus)
Azoarcus Reinhold-Hurek et al. 1993 (Genus)
Propionibacter Meijer et al. 1999 (Genus)
Propionivibrio Tanaka et al. 1991 emend. Brune et al. 2002 (Genus)
Thauera Macy et al. 1993 emend. Anders et al. 1995 emend. Song et al. 1998 (Genus)
Zoogloea Itzigsohn 1868 emend. Shin et al. 1993 (Genus)
Dechloromonas Achenbach et al. 2001 (Genus)
Dechlorosoma Achenbach et al. 2001 (Genus)
Azonexus Reinhold-Hurek and Hurek 2000 (Genus)
Azospira Reinhold-Hurek and Hurek 2000 (Genus)
Azovibrio Reinhold-Hurek and Hurek 2000 (Genus)
Ferribacterium Cummings et al. 2000 (Genus)
Hongia Lee et al. 2000 (Genus)
Unassignedbeta (5)
Unassigned beta genera (Family)
Massilia La Scola et al. 2000 (Genus)
Pandoraea Coenye et al. 2000 (Genus)
Gammaproteobacteria (4)
Chromatiales (5)
Chromatiaceae (Family)
Chromatium Perty 1852 emend. Imhoff et al. 1998 (Genus)
Allochromatium Imhoff et al. 1998 (Genus)
Amoebobacter Winogradsky 1888 emend. Guyoneaud et al. 1998 (Genus)
Halochromatium Imhoff et al. 1998 (Genus)
Isochromatium Imhoff et al. 1998 (Genus)
Lamprobacter Gorlenko et al. 1988 (Genus)
Lamprocystis Schroeter 1886 emend. Imhoff 2001 (Genus)
Marichromatium Imhoff et al. 1998 (Genus)
Nitrosococcus Winogradsky 1892 (Genus)
Pfennigia Tindall 1999 (Genus)
Rhabdochromatium Dilling et al. 1996 (Genus)
Thermochromatium Imhoff et al. 1998 (Genus)
Thiocapsa Winogradsky 1888 emend. Guyoneaud et al. 1998 (Genus)
Thiococcus Imhoff et al. 1998 (Genus)
Thiocystis Winogradsky 1888 emend. Imhoff et al. 1998 (Genus)
Thiodictyon Winogradsky 1888 (Genus)
Thiohalocapsa Imhoff et al. 1998 (Genus)
Thiolamprovum Guyoneaud et al. 1998 (Genus)
Thiopedia Winogradsky 1888 (Genus)
Thiorhodococcus Guyoneaud et al. 1998 (Genus)
Thiorhodovibrio Overmann et al. 1993 (Genus)
Thiospirillum Winogradsky 1888 (Genus)
Thialkalicoccus Bryantseva et al. 2000 (Genus)
Thioflavicoccus Imhoff and Pfennig 2001 (Genus)
Ectothiorhodospiraceae (Family)
Ectothiorhodospira Pelsh 1936 (Genus)
Arhodomonas Adkins et al. 1993 (Genus)
Halorhodospira Imhoff and Sling 1997 (Genus)
Nitrococcus Watson and Waterbury 1971 (Genus)
Thiorhodospira Bryantseva et al. 1999 (Genus)
Thioalkalivibrio (Species)
Xanthomonadales (5)
Xanthomonadaceae (Family)
Xanthomonas Dowson 1939 emend. Vauterin et al. 1995 (Genus)
Frateuria Swings et al. 1980 (Genus)
Lysobacter Christensen and Cook 1978 (Genus)
Nevskia Famintzin 1892 (Genus)
Pseudoxanthomonas Finkmann et al. 2000 (Genus)
Rhodanobacter Nalin et al. 1999 (Genus)
Stenotrophomonas Palleroni and Bradbury 1993 (Genus)
Xylella Wells et al. 1987 (Genus)
Luteimonas Finkmann et al. 2000 (Genus)
Cardiobacteriales (5)
Cardiobacteriaceae (Family)
Cardiobacterium Slotnick and Dougherty 1964 (Genus)
Dichelobacter Dewhirst et al. 1990 (Genus)
Suttonella Dewhirst et al. 1990 (Genus)
Thiotrichales (5)
Thiotrichaceae (Family)
Thiothrix Winogradsky 1888 emend. Howarth et al. 1999 (Genus)
Achromatium Schewiakoff 1893 (Genus)
Beggiatoa Trevisan 1842 (Genus)
Leucothrix Oersted 1844 (Genus)
Macromonas Utermohl and Koppe 1924 (Genus)
Thiobacterium La Riviere and Kuenen 1989 (Genus)
Thiomargarita Schulz et al. 1999 (Genus)
Thioploca Lauterborn 1907 (Genus)
Thiospira Visloukh 1914 (Genus)
Piscirickettsiaceae (Family)
Piscirickettsia Fryer et al. 1992 (Genus)
Cycloclasticus Dyksterhouse et al. 1995 (Genus)
Hydrogenovibrio Nishihara et al. 1991 (Genus)
Methylophaga Janvier et al. 1985 (Genus)
Thiomicrospira Kuenen and Veldkamp 1972 (Genus)
Thioalkalimicrobium (Genus)
Francisellaceae (Family)
Francisella Dorofeev 1947 (Genus)
Legionellales (5)
Legionellaceae (Family)
Legionella Brenner et al. 1979 (Genus)
Fluoribacter Garrity et al. 1980 (Genus)
Sarcobium Drozanski 1991 (Genus)
Tatlockia Garrity et al. 1980 (Genus)
Coxiellaceae (Family)
Coxiella (Philip 1943) Philip 1948 (Genus)
Rickettsiella Philip 1956 (Genus)
Methylococcales (5)
Methylococcaceae (Family)
Methylococcus Foster and Davis 1966 emend. Bowman et al. 1993 (Genus)
Methylobacter Bowman et al. 1993 emend. Bowman et al. 1995 (Genus)
Methylocaldum Bodrossy et al. 1998 (Genus)
Methylomicrobium Bowman et al. 1995 (Genus)
Methylomonas Whittenbury and Krieg 1984 emend. Bowman et al. 1993 (Genus)
Methylosphaera Bowman et al. 1998 (Genus)
Methylosarcina Wise et al. 2001 (Genus)
Oceanospirillales (5)
Oceanospirillaceae (Family)
Oceanospirillum Hylemon et al. 1973 (Genus)
Balneatrix Dauga et al. 1993 (Genus)
Fundibacter Bruns and Berthe-Corti 1999 (Genus)
Marinomonas van Landschoot and De Ley 1984 (Genus)
Marinospirillum Satomi et al. 1998 (Genus)
Neptunomonas Hedlund et al. 1999 (Genus)
Halomonadaceae (Family)
Halomonas Vreeland et al. 1980 emend. Dobson and Franzmann 1996 (Genus)
Alcanivorax Yakimov et al. 1998 (Genus)
Carnimonas Garriga et al. 1998 (Genus)
Chromohalobacter Ventosa et al. 1989 emend. Arahal et al. 2001 (Genus)
Deleya Baumann et al. 1983 (Genus)
Zymobacter Okamoto et al. 1995 (Genus)
Volcaniella Quesada et al. 1990 (Genus)
Pseudomonadales (5)
Pseudomonadaceae (Family)
Pseudomonas Migula 1894 (Genus)
Azomonas Winogradsky 1938 (Genus)
Azotobacter Beijerinck 1901 (Genus)
Cellvibrio Blackall et al. 1986 (Genus)
Chryseomonas Holmes et al. 1986 (Genus)
Flavimonas Holmes et al. 1987 (Genus)
Lampropedia Schroeter 1886 (Genus)
Mesophilobacter Nishimura et al. 1989 (Genus)
Morococcus Long et al. 1981 (Genus)
Oligella Rossau et al. 1987 (Genus)
Rhizobacter Goto and Kuwata 1988 (Genus)
Rugamonas Austin and Moss 1987 (Genus)
Serpens Hespell 1977 (Genus)
Thermoleophilum Zarilla and Perry 1986 (Genus)
Xylophilus Willems et al. 1987 (Genus)
Azomonotrichon Thompson and Skerman 1981 (Genus)
Azorhizophilus Thompson and Skerman 1981 (Genus)
Moraxellaceae (Family)
Moraxella Lwoff 1939 (Genus)
Acinetobacter Brisou and Prevot 1954 (Genus)
Psychrobacter Juni and Heym 1986 (Genus)
Branhamaceae (Family)
Branhamella Catlin 1970 (Genus)
Alteromonadales (5)
Alteromonadaceae (Family)
Alteromonas Baumann et al. 1972 emend. Gauthier et al. 1995 (Genus)
Colwellia Deming et al. 1988 (Genus)
Ferrimonas Rossell-Mora et al. 1996 (Genus)
Glaciecola Bowman et al. 1998 (Genus)
Marinobacter Gauthier et al. 1992 (Genus)
Marinobacterium Gonzlez et al. 1997 (Genus)
Microbulbifer Gonzlez et al. 1997 (Genus)
Moritella Urakawa et al. 1999 (Genus)
Pseudoalteromonas Gauthier et al. 1995 (Genus)
Psychromonas Mountfort et al. 1998 (Genus)
Shewanella MacDonell and Colwell 1986 (Genus)
Hahella Lee et al. 2001 (Genus)
Idiomarina Ivanova et al. 2000 (Genus)
Vibrionales (5)
Vibrionaceae (Family)
Vibrio Pacini 1954 (Genus)
Allomonas Kalina et al. 1984 (Genus)
Enhydrobacter Staley et al. 1987 (Genus)
Listonella MacDonell and Colwell 1986 (Genus)
Photobacterium Beijerinck 1889 (Genus)
Salinivibrio Mellado et al. 1996 (Genus)
Beneckea Campbell 1957 (Genus)
Lucibacterium Hendrie et al. 1970 (Genus)
Aeromonadales (5)
Aeromonadaceae (Family)
Aeromonas Stanier 1943 (Genus)
Tolumonas Fischer-Romero et al. 1996 (Genus)
Succinivibrionaceae (Family)
Succinivibrio Bryant and Small 1956 (Genus)
Anaerobiospirillum Davis et al. 1976 emend. Malnick 1997 (Genus)
Ruminobacter Stackebrandt and Hippe 1987 (Genus)
Succinimonas Bryant et al. 1958 (Genus)
Enterobacteriales (Order)
Enterobacteriaceae (Family)
Escherichia Castellani and Chalmers 1919 (Genus)
Alterococcus Shieh and Jean 1999 (Genus)
Arsenophonus Gherna et al. 1991 (Genus)
Brenneria Hauben et al. 1999 (Genus)
Buchnera Munson et al. 1991 (Genus)
Budvicia Bouvet et al. 1985 (Genus)
Buttiauxella Ferragut et al. 1982 (Genus)
Calymmatobacterium Aragao and Vianna 1913 (Genus)
Cedecea Grimont et al. 1981 (Genus)
Citrobacter Werkman and Gillen 1932 (Genus)
Edwardsiella Andres, 1883 (Genus)
Enterobacter Hormaeche and Edwards 1960 (Genus)
Erwinia Winslow et al. 1920 emend. Hauben et al. 1998 (Genus)
Ewingella Grimont et al. 1984 (Genus)
Hafnia Moller 1954 (Genus)
Klebsiella Trevisan 1885 emend. Carter et al. 1999, emend. Drancourt et al. 2001 (Genus)
Kluyvera Farmer et al. 1981 (Genus)
Leclercia Tamura et al. 1987 (Genus)
Leminorella Hickman-Brenner et al. 1985 (Genus)
Moellerella Hickman-Brenner et al. 1984 (Genus)
Morganella Fulton 1943 (Genus)
Obesumbacterium Shimwell 1963 (Genus)
Pantoea Gavini et al. 1989 (Genus)
Pectobacterium Waldee 1945 emend. Hauben et al. 1998 (Genus)
Photorhabdus Boemare et al. 1993 (Genus)
Plesiomonas Habs and Schubert 1962 (Genus)
Pragia Aldova et al. 1988 (Genus)
Proteus Hauser 1885 (Genus)
Providencia Ewing 1962 (Genus)
Rahnella Izard et al. 1981 (Genus)
Saccharobacter Yaping et al. 1990 (Genus)
Salmonella Lignieres 1900 (Genus)
Serratia Bizio, 1823 (Genus)
Shigella Castellani and Chalmers 1919 (Genus)
Sodalis Dale and Maudlin 1999 (Genus)
Tatumella Hollis et al. 1982 (Genus)
Trabulsiella McWhorter et al. 1992 (Genus)
Wigglesworthia Aksoy 1995 (Genus)
Xenorhabdus Thomas and Poinar 1979 emend. Thomas and Poinar 1983 (Genus)
Yersinia van Loghem, 1944 (Genus)
Yokenella Kosako et al. 1985 (Genus)
Pasteurellales (5)
Pasteurellaceae (Family)
Pasteurella Trevisan 1887 (Genus)
Actinobacillus Brumpt 1910 (Genus)
Haemophilus Winslow et al. 1917 (Genus)
Lonepinella Osawa et al. 1996 (Genus)
Mannheimia Angen et al. 1999 (Genus)
Phocoenobacter Foster et al. 2000 (Genus)
Unassigned gamma proteobacteria (5)
Schineriids (Family)
Schineria Tth et al. 2001 (Genus)
Uassigned genera of gamma proteobacteria (Family)
Acidithiobacillus Kelly and Wood 2000 (Genus)
Alishewanella Fonnesbech Vogel et al. 2000 (Genus)
Halothiobacillus Kelly and Wood 2000 emend. Sievert et al. 2000 (Genus)
Thermithiobacillus Kelly and Wood 2000 (Genus)
Deltaproteobacteria (4)
Desulfurellales (5)
Desulfurellaceae (Family)
Desulfurella Bonch-Osmolovskaya et al. 1993 emend. Miroshnichenko et al. 1998 (Genus)
Hippea Miroshnichenko et al. 1999 (Genus)
Desulfovibrionales (5)
Desulfovibrionaceae (Family)
Desulfovibrio Kluyver and van Niel 1936 (Genus)
Bilophila Baron et al. 1990 (Genus)
Lawsonia McOrist et al. 1995 (Genus)
Desulfomicrobiaceae (Family)
Desulfomicrobium Rozanova et al. 1994 (Genus)
Desulfohalobiaceae (Family)
Desulfohalobium Ollivier et al. 1991 (Genus)
Desulfomonas Moore et al. 1976 (Genus)
Desulfonatronovibrio Zhilina et al. 1997 (Genus)
Desulfobacterales (5)
Desulfobacteraceae (Family)
Desulfobacter Widdel 1981 (Genus)
Desulfobacterium Bak and Widdel 1988 (Genus)
Desulfobacula Rabus et al. 2000 emend. Kuever et al. 2001 (Genus)
Desulfobotulus (Genus)
Desulfocella Brandt et al. 1999 (Genus)
Desulfococcus Widdel 1981 (Genus)
Desulfofaba Knoblauch et al. 1999 (Genus)
Desulfofrigus Knoblauch et al. 1999 (Genus)
Desulfonema Widdel 1981 (Genus)
Desulfospira Finster et al. 1997 (Genus)
Desufotalea (Genus)
Desulfosarcina Widdel 1981 (Genus)
Desulfobulbaceae (Family)
Desulfobulbus Widdel 1981 (Genus)
Desulfocapsa Janssen et al. 1997 (Genus)
Desulfofustis Friedrich et al. 1996 (Genus)
Desulforhopalus Isaksen and Teske 1999 (Genus)
Desulfoarculaceae (Family)
Desulfoarculus (Genus)
Nitrospina Watson and Waterbury 1971 (Genus)
Desulfobacca Oude Elferink et al. 1999 (Genus)
Desulfomonile DeWeerd et al. 1991 (Genus)
Desulfotigmum (Genus)
Desulfuromonadales (5)
Desulfuromonadaceae (Family)
Desulfuromonas Pfennig and Biebl 1977 (Genus)
Desulfuromusa Liesack and Finster 1994 (Genus)
Trichlorobacter De Wever et al. 2001 (Genus)
Geobacteraceae (Family)
Geobacter Lovley et al. 1995 (Genus)
Pelobacteraceae (Family)
Pelobacter Schink and Pfennig 1983 (Genus)
Malonomonas Dehning and Schink 1990 (Genus)
Syntrophobacterales (5)
Syntrophobacteraceae (Family)
Syntrophobacter Boone and Bryant 1984 (Genus)
Desulfacinum Rees et al. 1995 emend. Sievert and Kuever 2000 (Genus)
Desulforhabdus Oude Elferink et al. 1997 (Genus)
Thermodesulforhabdus Beeder et al. 1996 (Genus)
Syntrophothermus Sekiguchi et al. 2000 (Genus)
Thermaerobacter Takai et al. 1999 (Genus)
Syntrophaceae (Family)
Syntrophus Mountfort et al. 1984 (Genus)
Smithella Liu et al. 1999 (Genus)
Bdellovibrionales (5)
Bdellovibrionaceae (Family)
Bdellovibrio Stolp and Starr 1963 (Genus)
Micavibrio Lambina et al. 1989 (Genus)
Vampirovibrio Gromov and Mamkayeva 1980 (Genus)
Bacteriovorax Baer et al. 2000 (Genus)
Myxococcales Tchan et al. 1948 (Order)
Myxococcaceae (Family)
Myxococcus Thaxter 1892 (Genus)
Angiococcus Hook et al. 1980 (Genus)
Archangiaceae (Family)
Archangium Jahn 1924 (Genus)
Cystobacteraceae (Family)
Cystobacter Schroeter 1886 (Genus)
Melittangium Jahn 1924 (Genus)
Stigmatella Berkeley and Curtis 1875 (Genus)
Polyangiaceae (Family)
Polyangium Link 1809 (Genus)
Chondromyces Berkeley and Curtis 1874 (Genus)
Nannocystis Reichenbach 1970 (Genus)
Unassigned delta proteobacteria (5)
Deltagenera (Family)
Desulfonatronum Pikuta et al. 1998 (Genus)
Epsilonproteobacteria (4)
Campylobacterales (5)
Campylobacteraceae (Family)
Campylobacter Sebald and Veron 1963 emend. Vandamme et al. 1991 (Genus)
Arcobacter Vandamme et al. 1991 (Genus)
Sulfurospirillum Schumacher et al. 1993 (Genus)
Thiovulvum (Genus)
Helicobacteraceae (Family)
Helicobacter Goodwin et al. 1989 emend. Vandamme et al. 1991 (Genus)
Wolinella Tanner et al. 1981 (Genus)
Firmicutes Gibbons and Murray 1978 (Division)
Clostridia (4)
Clostridiales (5)
Clostridiaceae Pribram, 1933 (Family)
Clostridium Prazmowski, 1880 (Genus)
Acetivibrio Patel et al. 1980 emend. Murray 1986 (Genus)
Acidaminobacter Stams and Hansen 1985 (Genus)
Anaerobacter Duda et al. 1996 (Genus)
Caloramator Collins et al. 1994 (Genus)
Natronincola Zhilina et al. 1999 (Genus)
Oxobacter Collins et al. 1994 (Genus)
Sarcina Goodsir 1842 (Genus)
Sporobacter Grech-Mora et al. 1996 (Genus)
Thermobrachium Engle et al. 1996 (Genus)
Tindallia Kevbrin et al. 1999 (Genus)
Solobacterium Kageyama and Benno 2000 (Genus)
Mogibacterium Nakazawa et al. 2000 (Genus)
Papillibacter Defnoun et al. 2000 (Genus)
Thermohalobacter Cayol et al. 2000 (Genus)
Lachnospiraceae (Family)
Lachnospira Bryant and Small 1956 (Genus)
Acetitomaculum Greening and Leedle 1995 (Genus)
Anaerofilum Zellner et al. 1996 (Genus)
Butyrivibrio Bryant and Small 1956 (Genus)
Catonella Moore and Moore 1994 (Genus)
Coprococcus Holdeman and Moore 1974 (Genus)
Johnsonella Moore and Moore 1994 (Genus)
Pseudobutyrivibrio van Gylswyk et al. 1996 (Genus)
Roseburia Stanton and Savage 1983 (Genus)
Ruminococcus Sijpesteijn 1948 (Genus)
Sporobacterium Mechichi et al. 1999 (Genus)
Peptostreptococcaceae (Family)
Peptostreptococcus Kluyver and van Niel 1936 emend. Ezaki et al. 2001 (Genus)
Filifactor Collins et al. 1994 (Genus)
Fusibacter Ravot et al. 1999 (Genus)
Heleococcus Korschikoff 1953 (Genus)
Tissierella Collins and Shah 1986 emend. Farrow et al. 1995 (Genus)
Eubacteriaceae (Family)
Eubacterium Prevot 1938 (Genus)
Acetobacterium Balch et al. 1977 (Genus)
Pseudoramibacter Willems and Collins 1996 (Genus)
Peptococcaceae (Family)
Peptococcus Kluyver and van Niel 1936 (Genus)
Anaeroarcus Strmpl et al. 1999 (Genus)
Anaerosinus Strmpl et al. 1999 (Genus)
Anaerovibrio Hungate 1966 (Genus)
Carboxydothermus Svetlichny et al. 1991 (Genus)
Centipeda Lai et al. 1983 (Genus)
Dehalobacter Holliger et al. 1998 (Genus)
Dendrosporobacter Strmpl et al. 2000 (Genus)
Desulfitobacterium Utkin et al. 1994 (Genus)
Desufonispora (Genus)
Desulfosporosinus Stackebrandt et al. 1997 emend. Robertson et al. 2001 (Genus)
Desulfotomaculum Campbell and Postgate 1965 (Genus)
Mitsuokella Shah and Collins 1983 (Genus)
Propionispira Schink et al. 1983 (Genus)
Succinispira Janssen and O'Farrell 1999 (Genus)
Syntrophobotulus Friedrich et al. 1996 (Genus)
Thermoterrabacterium Slobodkin et al. 1997 (Genus)
Micromonas Murdoch and Shah 2000 (Genus)
Finegoldia Murdoch and Shah 2000 (Genus)
Heliobacteriaceae (Family)
Heliobacterium Gest and Favinger 1985 (Genus)
Heliobacillus Beer-Romero and Guest 1998 (Genus)
Heliophilum Ormerod et al. 1996 (Genus)
Acidaminococcaceae (Family)
Acidaminococcus Rogosa 1969 emend. Cook et al. 1994 (Genus)
Acetonema Kane and Breznak (Genus)
Anaeromusa Baena et al. 1999 (Genus)
Dialister Moore and Moore 1994 (Genus)
Megasphaera Rogosa 1971 (Genus)
Pectinatus Lee et al. 1978 (Genus)
Phascolarctobacterium Del Dot et al. 1994 (Genus)
Quinella Krumholz et al. 1993 (Genus)
Schwartzia van Gylswyk et al. 1997 (Genus)
Selenomonas von Prowazek 1913 (Genus)
Sporomusa Mller et al. 1985 (Genus)
Succiniclasticum van Gylswyk 1995 (Genus)
Veillonella Prvot 1933 emend. Mays et al. 1982 (Genus)
Zymophilus Schleifer et al. 1990 (Genus)
Syntrophomonadaceae (Family)
Syntrophomonas McInerney et al. 1982 emend. Lorowitz et al. 1989 (Genus)
Acetogenium Leigh and Wolfe 1983 (Genus)
Aminobacterium Baena et al. 1999 (Genus)
Aminomonas Baena et al. 1999 (Genus)
Anaerobaculum Rees et al. 1997 emend. Menes and Mux 2002 (Genus)
Anaerobranca Engle et al. 1995 (Genus)
Caldicellulosiruptor Rainey et al. 1995 (Genus)
Dethiosulfbvibrio (Genus)
Syntrophospora Zhao et al. 1990 (Genus)
Thermoaerobacter (Genus)
Thermanaerovibrio Baena et al. 1999 emend. Zavarzina et al. 2000 (Genus)
Thermohydrogenium Zacharova et al. 1996 (Genus)
Thermosyntropha Svetlitshnyi et al. 1996 (Genus)
Clostridia of uncertain affinities (Family)
Heliorestis Bryantseva et al. 2000 (Genus)
Thermacetogenium Hattori et al. 2000 (Genus)
Thermoanaerobacteriales (5)
Thermoanaerobacteriales (5)
Thermoanaerobacterium Lee et al. 1993 emend. Liu et al. 1996 emend. Cann et al. 2001 (Genus)
Ammonifex Huber and Stetter 1996 (Genus)
Coprothermobacter Rainey and Stackebrandt 1993 (Genus)
Moorella Collins et al. 1994 (Genus)
Sporotomaculum Brauman et al. 1998 (Genus)
Thermoanaerobacter Wiegel and Ljungdahl 1982 (Genus)
Thermoanaerobium Zeikus et al. 1983 (Genus)
Carboxydobrachium (Genus)
Haloanaerobiales (5)
Haloanaerobiaceae (Family)
Haloanaerobium (Genus)
Halocella Simancova et al. 1994 (Genus)
Halothermothrix Cayol et al. 1994 (Genus)
Natroniella Zhilina et al. 1996 (Genus)
Halanaerobacter Liaw and Mah 1996 emend. Moun et al. 1999 (Genus)
Halanaerobium Zeikus et al. 1984 (Genus)
Halobacteroidaceae (Family)
Halobacteroides Oren et al. 1984 (Genus)
Acetohalobium Zhilina and Zavarzin 1990 (Genus)
Haloanaerobacter (Genus)
Orenia Rainey and Stackebrandt 1995 (Genus)
Sporohalobacter Oren et al. 1988 (Genus)
Halonatronum Zhilina et al. 2001 (Genus)
Halorubrobacterium Kamekura and Dyall-Smith 1996 (Genus)
Mollicutes Edward and Freundt 1967 (Class)
Mycoplasmatales (5)
Mycoplasmataceae (Family)
Mycoplasma Nowak 1929 (Genus)
Eperythrozoon Schilling 1928 (Genus)
Haemobartonella Tyzzer and Weinman 1939 (Genus)
Ureaplasma Shepard et al. 1974 (Genus)
Entomoplasmatales (5)
Entomoplasmataceae (Family)
Entomoplasma Tully et al. 1993 (Genus)
Mesoplasma Tully et al. 1993 (Genus)
Spiroplasmataceae (Family)
Spiroplasma Saglio et al. 1973 (Genus)
Acholeplasmatales (5)
Acholeplasmataceae (Family)
Acholeplasma Edward and Freundt 1970 (Genus)
Anaeroplasmatales (5)
Anaeroplasmataceae (Family)
Anaeroplasma Robinson et al. 1975 (Genus)
Asteroleplasma Robinson and Freundt 1987 (Genus)
Mollicutes incertae sedis (Family)
Bulleidia Downes et al. 2000 (Genus)
Catenibacterium Kageyama and Benno 2000 (Genus)
Erysipelotrichaceae (Family)
Erysipelothrix Rosenbach 1909 (Genus)
Holdemania Willems et al. 1997 (Genus)
Bacilli (4)
Bacillales Prvot 1953 (Order)
Bacillaceae (Family)
Bacillus Cohn 1872 (Genus)
Amphibacillus Niimura et al. 1990 (Genus)
Exiguobacterium Collins et al. 1984 (Genus)
Gracilibacillus Wainoe et al. 1999 (Genus)
Halobacillus Spring et al. 1996 (Genus)
Saccharococcus Nystrand 1984 (Genus)
Salibacillus Wainoe et al. 1999 (Genus)
Virgibacillus Heyndrickx et al. 1998 (Genus)
Planococcaceae (Family)
Planococcus Migula 1894 emend. Nakagawa et al. 1996 (Genus)
Filibacter Maiden and Jones 1985 (Genus)
Kurthia Trevisan 1885 (Genus)
Sporosarcina Kluyver and van Niel 1936 emend. Yoon et al. 2001 (Genus)
Caryophanaceae (Family)
Caryophanon Peshkoff 1939 (Genus)
Listeriaceae (Family)
Listeria Pirie 1940 (Genus)
Brochothrix Sneath and Jones 1976 (Genus)
Staphylococcaceae (Family)
Staphylococcus Rosenbach 1884 (Genus)
Gemella Berger 1960 (Genus)
Macrococcus Kloos et al. 1998 (Genus)
Salinicoccus Ventosa et al. 1990 (Genus)
Sporolactobacillaceae (Family)
Sporolactobacillus Kitahara and Suzuki 1963 (Genus)
Marinococcus Hao et al. 1985 (Genus)
Paenibacillaceae (Family)
Paenibacillus Ash et al. 1994 emend. Shida et al. 1997 (Genus)
Ammoniphilus Zaitsev et al. 1998 (Genus)
Aneurinibacillus Shida et al. 1996 emend. Heyndrickx et al. 1997 (Genus)
Brevibacillus Shida et al. 1996 (Genus)
Oxalophagus Collins et al. 1994 (Genus)
Thermobacillus Touzel et al. 2000 (Genus)
Alicyclobacillaceae (Family)
Alicyclobacillus Wisotzkey et al. 1992 (Genus)
Pasteuria Metchnikoff 1888 (Genus)
Sulfobacillus Golovacheva and Karavaiko 1991 (Genus)
Thermoactinomycetaceae (Family)
Thermoactinomyces Tsilinsky 1899 (Genus)
Bacilli of uncertain affinities (Family)
Anoxybacillus Pikuta et al. 2000 (Genus)
Caldibacillus (Genus)
Dehalobacterium (Genus)
Filobacillus Schlesner et al. 2001 (Genus)
Geobacillus Nazina et al. 2001 (Genus)
Pseudobacillus (Genus)
Thermicanus Gner et al. 2000 (Genus)
Ureibacillus Fortina et al. 2001 (Genus)
Anaerovorax Matthies et al. 2000 (Genus)
Coprobacillus Kageyama and Benno 2000 (Genus)
Desulfonispora Denger et al. 1999 (Genus)
Granulicatella Collins and Lawson 2000 (Genus)
Pelospora Matthies et al. 2000 (Genus)
Lactobacillales (5)
Lactobacillaceae (Family)
Lactobacillus Beijerinck 1901 (Genus)
Pediococcus Balcke 1884 (Genus)
Paralactobacillus Leisner et al. 2000 (Genus)
Aerococcaceae (Family)
Aerococcus Williams et al. 1953 (Genus)
Abiotrophia Kawamura et al. 1995 (Genus)
Dolosicoccus Collins et al. 1999 (Genus)
Eremococcus Collins et al. 1999 (Genus)
Facklamia Collins et al. 1997 (Genus)
Globicatella Collins et al. 1995 (Genus)
Ignavigranum Collins et al. 1999 (Genus)
Carnobacteriaceae (Family)
Carnobacteriuin (Genus)
Agitococcus Franzmann and Skerman 1981 (Genus)
Alloiococcus Aguirre and Collins 1992 (Genus)
Desemzia Stackebrandt et al. 1999 (Genus)
Dolosigranulum Aguirre et al. 1994 (Genus)
Lactosphaera Janssen et al. 1995 (Genus)
Trichococcus Scheff et al. 1984 (Genus)
Enterococcaceae (Family)
Enterococcus (ex Thiercelin and Jouhaud 1903) Schleifer and Kilpper-Blz 1984 (Genus)
Melissococcus Bailey and Collins 1983 (Genus)
Tetragenococcus Collins et al. 1993 (Genus)
Vagococcus Collins et al. 1990 (Genus)
Leuconostocaceae (Family)
Leuconostoc van Tieghem 1878 (Genus)
Oenococcus Dicks et al. 1995 (Genus)
Weissella Collins et al. 1994 (Genus)
Streptococcaceae (Family)
Streptococcus Rosenbach 1884 (Genus)
Lactococcus Schleifer et al. 1986 (Genus)
Helcococcus Collins et al. 1993 (Genus)
Atopobacter Lawson et al. 2000 (Genus)
Lactobacullus genera incertae sedis (Family)
Acetoanaerobium Sleat et al. 1985 (Genus)
Oscillospira Chatton and Perard 1913 (Genus)
Syntrophococcus Krumholz and Bryant 1986 (Genus)
Actinobacteria(1) (3)
Actinobacteria Cavalier-Smith 2002 (Sub-division)
Acidimicrobidae (5)
Acidimicrobiales (6)
Acidimicrobineae (7)
Acidimicrobiaceae (Family)
Acidimicrobium Clark and Norris 1996 (Genus)
Rubrobacteridae (5)
Rubrobacterales (6)
Rubrobacterineae (7)
Rubrobacteraceae (Family)
Rubrobacter Suzuki et al. 1989 (Genus)
Coriobacteridae (5)
Coriobacteriales (6)
Coriobacterineae (7)
Coriobacteriaceae (Family)
Coriobacterium Haas and Knig 1988 (Genus)
Atopobiun (Genus)
Collinsella Kageyama et al. 1999 emend. Kageyama and Benno 2000 (Genus)
Cryptobacterium Nakazawa et al. 1999 (Genus)
Eggerthella Wade et al. 1999 (Genus)
Slackia Wade et al. 1999 (Genus)
Denitrobacterium Anderson et al. 2000 (Genus)
Sphaerobacteridae (5)
Sphaerobacterales (6)
Sphaerobacterineae (7)
Sphaerobacteraceae (Family)
Sphaerobacter Demharter et al. 1989 (Genus)
Actinobacteridae (5)
Actinomycetales Buchanan 1917 (Order)
Actinomycineae (7)
Actinomycetaceae (Family)
Actinomyces Harz (Genus)
Actinobaculum Lawson et al. 1997 (Genus)
Arcanobacterium Collins et al. 1983 (Genus)
Mobiluncus Spiegel and Roberts 1984 (Genus)
Actinopolymorpha Wang et al. 2001 (Genus)
Micrococcineae (7)
Micrococcaceae (Family)
Micrococcus Cohn 1872 emend. Stackebrandt et al. 1995 emend. Wieser et al. 2002 (Genus)
Arthrobacter Conn and Dimmick 1947 emend. Koch et al. 1995 (Genus)
Bogoriella Groth et al. 1997 (Genus)
Demetria Groth et al. 1997 (Genus)
Kocuria Stackebrandt et al. 1995 (Genus)
Leucobacter Takeuchi et al. 1996 (Genus)
Nesterenkonia Stackebrandt et al. 1995 (Genus)
Renibacterium Sanders and Fryer 1980 (Genus)
Rothia Georg and Brown 1967 (Genus)
Stomatococcus Bergan and Kocur 1982 (Genus)
Terracoccus Prauser et al. 1997 (Genus)
Ornithinimicrobium Groth et al. 2001 (Genus)
Brevibacteriaceae (Family)
Brevibacterium Breed 1953 (Genus)
Cellulomonadaceae (Family)
Cellulomonas Bergey et al. 1923 (Genus)
Oerskovia Prauser et al. 1970 (Genus)
Rarobacter Yamamoto et al. 1988 (Genus)
Dermabacteraceae (Family)
Dermabacter Jones and Collins 1989 (Genus)
Brachybacterium Collins et al. 1988 (Genus)
Dermatophilaceae (Family)
Dermatophilus (Van Saceghem 1915) Gordon 1964 (Genus)
Dermacoccus Stackebrandt et al. 1995 (Genus)
Kytococcus Stackebrandt et al. 1995 (Genus)
Intrasporangiaceae (Family)
Intrasporangium Kalakoutskii et al. 1967 (Genus)
Janibacter Martin et al. 1997 (Genus)
Terrabacter Collins et al. 1989 (Genus)
Tetrasphaera Maszenan et al. 2000 (Genus)
Jonesiaceae (Family)
Jonesia Rocourt and Stackebrandt 1987 (Genus)
Microbacteriaceae (Family)
Microbacterium Orla-Jensen 1919 emend. Takeuchi and Hatano 1998 (Genus)
Agrococcus Groth et al. 1996 (Genus)
Agromyces Gledhill and Casida 1969 emend. Zgurskaya et al. 1992 (Genus)
Aureobacterium Collins et al. 1983 (Genus)
Clavibacter Davis et al. 1984 (Genus)
Cryobacterium Suzuki et al. 1997 (Genus)
Curtobacterium Yamada and Komagata 1972 (Genus)
Frigoribacterium Kmpfer et al. 2000 (Genus)
Leifsonia Evtushenko et al. 2000 (Genus)
Rathayibacter Zgurskaya et al. 1993 (Genus)
Subtercola Mnnist et al. 2000 (Genus)
Beutenbergiaceae (Family)
Beutenbergia Groth et al. 1999 (Genus)
Promicromonosporaceae (Family)
Promicromonospora Krassilnikov et al. 1961 (Genus)
Sanguibacteraceae (Family)
Ornithinicoccus Groth et al. 1999 (Genus)
Sanguibacter Fernndez-Garayzbal et al. 1995 (Genus)
Corynebacterineae (7)
Corynebacteriaceae (Family)
Corynebacterium Lehmann and Neumann 1896 (Genus)
Dietziaceae (Family)
Dietzia Rainey et al. 1995 (Genus)
Gordoniaceae (Family)
Gordonia (ex Tsukamura) Stackebrandt et al. 1989 (Genus)
Skermania Chun et al. 1997 (Genus)
Mycobacteriaceae (Family)
Mycobacterium Aronson (Genus)
Nocardiaceae (Family)
Nocardia Trevisan (Genus)
Rhodococcus Zopf 1891 (Genus)
Tsukamurellaceae (Family)
Tsukamurella Collins et al. 1988 (Genus)
Williamsiaceae (Family)
Williamsia Kmpfer et al. 1999 (Genus)
Micromonosporineae (7)
Micromonosporaceae (Family)
Micromonospora Oerskov 1923 (Genus)
Actinoplanes Couch 1950 emend. Stackebrandt and Kroppenstedt 1987 (Genus)
Catellatospora Asano and Kawamoto 1986 (Genus)
Catenuloplanes Yokota et al. 1993 emend. Kudo et al. 1999 (Genus)
Couchioplanes Tamura et al. 1994 (Genus)
Dactylosporangium Thiemann et al. 1967 (Genus)
Pilimelia Kane 1966 (Genus)
Spirilliplanes Tamura et al. 1997 (Genus)
Verrucosispora Rheims et al. 1998 (Genus)
Ampullariella Couch 1964 (Genus)
Kitasatoa Matsumae and Hata 1968 (Genus)
Propionibacterineae (7)
Propionibacteriaceae (Family)
Propionibacterium Orla-Jensen 1909 (Genus)
Luteococcus Tamura et al. 1994 emend. Collins et al. 2000 (Genus)
Microlunatus Nakamura et al. 1995 (Genus)
Propioniferax Yokota et al. 1994 (Genus)
Tessaracoccus Maszenan et al. 1999 (Genus)
Nocardioidaceae (Family)
Nocardioides Prauser 1976 (Genus)
Aeromicrobium Miller et al. 1991 (Genus)
Friedmanniella Schumann et al. 1997 (Genus)
Kribbella Park et al. 1999 (Genus)
Micropruina Shintani et al. 2000 (Genus)
Streptimonospora (Genus)
Marmoricola Urc et al. 2000 (Genus)
Pseudonocardineae (7)
Pseudoizocardiaceae (Family)
Pseudonocardia Henssen 1957 emend. Reichert et al. 1998 (Genus)
Actinopolyspora Gochnauer et al. 1975 (Genus)
Amycolatopsis Lechevalier et al. 1986 (Genus)
Kibdelosporangium Shearer et al. 1986 (Genus)
Kutzneria Stackebrandt et al. 1994 (Genus)
Prauserella Kim and Goodfellow 1999 (Genus)
Saccharomonospora Nonomura and Ohara 1971 (Genus)
Saccharopolyspora Lacey and Goodfellow 1975 (Genus)
Streptoalloteichus Tomita et al. 1987 (Genus)
Thermobispora Wang et al. 1996 (Genus)
Thermocrispum Korn-Wendisch et al. 1995 (Genus)
Actinosynnemataceae (Family)
Actinosynnema Hasegawa et al. 1978 (Genus)
Actinokineospora Hasegawa 1988 (Genus)
Lentzea Yassin et al. 1995 emend. Labeda et al. 2001 (Genus)
Saccharothrix (Labeda et al. 1984) Labeda and Lechevalier 1989 (Genus)
Streptomycineae (7)
Streptomycetaceae (Family)
Streptomyces Waksman and Henrici (Genus)
Kitasatospora Omura et al. 1983 emend. Zhang et al. 1997 (Genus)
Streptoverticillium Baldacci 1958 (Genus)
Chainia Thirumalachar 1955 (Genus)
Kitasatosporia (Genus)
Streptosporangineae (7)
Streptosporangiaceae (Family)
Streptosporangium Couch 1955, emend. Stackebrandt et al. 1994 (Genus)
Herbidospora Kudo et al. 1993 (Genus)
Mirobispora (Genus)
Microtetraspora Thiemann et al. 1968 emend. Zhang et al. 1998 (Genus)
Nonomuraea Zhang et al. 1998 (Genus)
Planobispora Thiemann and Beretta 1968 (Genus)
Planomonospora Thiemann et al. 1967 (Genus)
Planopolyspora Petrolini et al. 1993 (Genus)
Planotetraspora Runmao et al. 1993 (Genus)
Acrocarpospora Tamura et al. 2000 (Genus)
Microbispora Nonomura and Ohara 1957 emend. Zhang et al. 1998 (Genus)
Nocardiopsaceae (Family)
Nocardiopsis (Brocq-Rousseau 1904) Meyer 1976 (Genus)
Thermobifida Zhang et al. 1998 (Genus)
Thermomonosporaceae (Family)
Thermomonospora Henssen 1957 emend. Zhang et al. 1998 (Genus)
Actinomadura Lechevalier and Lechevalier 1970 (Genus)
Spirillospora Couch 1963 (Genus)
Frankineae (7)
Frankiaceae (Family)
Frankia Brunchorst 1886 (Genus)
Geodermatophilaceae (Family)
Geodermatophilus Luedemann 1968 (Genus)
Blastococcus Ahrens and Moll 1970 (Genus)
Modestobacter Mevs et al. 2000 (Genus)
Microsphaeraceae (Family)
Microsphaera Yoshimi et al. 1996 (Genus)
Sporichthyaceae (Family)
Sporichthya Lechevalier et al. 1968 (Genus)
Acidothermaceae (Family)
Acidothermus Mohagheghi et al. 1986 (Genus)
Kineosporiaceae (Family)
Kineosporia Pagani and Parenti 1978 emend. Itoh et al. 1989 emend. Kudo et al. 1998 (Genus)
Cryptosporangium Tamura et al. 1998 (Genus)
Kineococcus Yokota et al. 1993 (Genus)
Glycomycineae (7)
Glycomcetaceae (Family)
Glycomyces Labeda et al. 1985 (Genus)
Bifidobacteriales (6)
Bifidobacteriaceae (Family)
Bifidobacterium Orla-Jensen 1924 (Genus)
Falcivibrio Hammann et al. 1984 (Genus)
Gardnerella Greenwood and Pickett 1980 (Genus)
Bifidobacters incertae sedis (Family)
Actinobispora Jiang et al. 1991 (Genus)
Actinocorallia Iinuma et al. 1994 emend. Zhang et al. 2001 (Genus)
Excellospora Agre and Guzeva 1975 (Genus)
Pelczaria Poston 1994 (Genus)
Turicella Funke et al. 1994 (Genus)
Unassigned actinobacters (6)
Unassigned actinobacter genera (Family)
Pimelobacter Suzuki and Komagata 1983 (Genus)
Symbiobacterium Ohno et al. 2000 (Genus)
Planctomycetes (3)
Planctomycetacea (4)
Planctomycetales Schlesner and Stackebrandt 1987 (Order)
Planctomycetaceae (Family)
Planctomyces Gimesi 1924 (Genus)
Gemmata Franzmann and Skerman 1985 (Genus)
Isosphaera Giovannoni et al. 1995 (Genus)
Pirellula Schlesner and Hirsch 1987 (Genus)
Chlamydiae(1) (3)
Chlamydiae (4)
Chlamydiales (5)
Chlamydiaceae (Family)
Chlamydia Jones et al. 1945 emend. Everett et al. 1999 (Genus)
Chlamydophila Everett et al. 1999 (Genus)
Parachlamydiaceae (Family)
Parachlamydia (Amann et al. 1997) Everett et al. 1999 (Genus)
Simkaniaceae (Family)
Simkania Everett et al. 1999 (Genus)
Waddliaceae (Family)
Waddlia Rurangirwa et al. 1999 (Genus)
Spirochaetes(1) (3)
Spirochaetes (3)
Spirochaetales Buchanan 1917 (Order)
Spirochaetaceae (Family)
Spirochaeta Ehrenberg 1835 (Genus)
Borrelia Swellengrebel 1907 (Genus)
Brevinema Defosse et al. 1995 (Genus)
Clevelandina Bermudes et al. 1988 (Genus)
Cristispira Gross 1910 (Genus)
Diplocalyx (ex Gharagozlou 1968) Bermudes et al. 1988 (Genus)
Hollandina (ex To et al. 1978) Bermudes et al. 1988 (Genus)
Pillotina (ex Hollande and Gharagozlou 1968) Bermudes et al. 1988 (Genus)
Treponema Schaudinn 1905 (Genus)
Serpulinaceae (Family)
Brachyspira Hovind-Hougen et al. 1983 (Genus)
Serpulina Stanton et al. 1991 (Genus)
Leptospiraceae (Family)
Leptonema Hovind-Hougen 1983 (Genus)
Leptospira Noguchi 1917 (Genus)
Fibrobacteres(1) (3)
Fibrobacteres (3)
Fibrobacterales (5)
Fibrobacteraceae (Family)
Fibrobacter Montgomery et al. 1988 (Genus)
Acidobacteria(1) (3)
Acidobacteria (4)
Acidobacteriales (5)
Acidobacteriaceae (Family)
Acidobacterium Kishimoto et al. 1991 (Genus)
Geothrix Coates et al. 1999 (Genus)
Holophaga Liesack et al. 1995 (Genus)
Bacteroidetes (3)
Bacteroides Castellani and Chalmers 1919 emend. Shah and Collins 1989 (Genus)
Bacteroidales (5)
Bacteroidaceae (Family)
Baeteroides (Genus)
Acetofilamentum Dietrich et al. 1989 (Genus)
Acetomicrobium Soutschek et al. 1985 (Genus)
Acetothermus Dietrich et al. 1988 (Genus)
Anaerorhabdus Shah and Collins 1986 (Genus)
Megamonas Shah and Collins 1983 (Genus)
Dysgonomonas Hofstad et al. 2000 (Genus)
Hallella Moore and Moore 1994 (Genus)
Rikenellaceae (Family)
Rikenella Collins et al. 1985 (Genus)
Marinilabilia Nakagawa and Yamasato 1996 (Genus)
Porphyromonadaceae (Family)
Porphyromonas Shah and Collins 1988 emend. Willems and Collins 1995 (Genus)
Prevoteflaccae (Family)
Prevotella Shah and Collins 1990 emend. Willems and Collins 1995 (Genus)
Flavobacteria (4)
Flavobacteriales (5)
Flavobacteriaceae (Family)
Flavobacterium Bergey et al. 1923 emend. Bernardet et al. 1996 (Genus)
Bergeyella Vandamme et al. 1994 (Genus)
Capnocytophaga Leadbetter et al. 1982 (Genus)
Cellulophaga Johansen et al. 1999 (Genus)
Chryseobacterium Vandamme et al. 1994 (Genus)
Coenonia Vandamme et al. 1999 (Genus)
Empedobacter (ex Prvot 1961) Vandamme et al. 1994 (Genus)
Gelidibacter Bowman et al. 1997 (Genus)
Ornithobacterium Vandamme et al. 1994 (Genus)
Polaribacter Gosink et al. 1998 (Genus)
Psychroflexus Bowman et al. 1999 (Genus)
Psychroserpens Bowman et al. 1997 (Genus)
Riemerella Segers et al. 1993 emend. Vancanneyt et al. 1999 (Genus)
Weeksella Holmes et al. 1987 (Genus)
Salegentibacter McCammon and Bowman 2000 (Genus)
Myroidaceae (Family)
Myroides Vancanneyt et al. 1996 (Genus)
Blattabacteriaceae (Family)
Blattabacterium Hollande and Favre 1931 (Genus)
Sphingobacteria Cavalier-Smith 2002 (Division)
Sphingobacteriales (5)
Sphingobacteriaceae (Family)
Sphingobacterium Yabuuchi et al. 1983 (Genus)
Pedobacter Steyn et al. 1998 (Genus)
Saprospiraceae (Family)
Saprospira Gross 1911 (Genus)
Haliscomenobacter van Veen et al. 1973 (Genus)
Lewinella Sly et al. 1998 (Genus)
Flexibacteraceae (Family)
Flexibacter Soriano 1945 (Genus)
Cyclobacterium Raj and Maloy 1990 (Genus)
Cytophaga Winogradsky 1929 emend. Nakagawa and Yamasato 1996 (Genus)
Flectobacillus Larkin et al. 1977 emend. Raj and Maloy 1990 (Genus)
Hymenobacter Hirsch et al. 1999 (Genus)
Meniscus Irgens 1977 (Genus)
Microscilla Pringsheim 1951 (Genus)
Runella Larkin and Williams 1978 (Genus)
Spirosoma Migula 1894 (Genus)
Sporocytophaga Stanier 1940 (Genus)
Dyadobacter Chelius and Triplett 2000 (Genus)
Flammeovirgaceae (Family)
Flammeovirga Nakagawa et al. 1997 (Genus)
Flexithrix Lewin 1970 (Genus)
Persicobacter Nakagawa et al. 1997 (Genus)
Thermonema Hudson et al. 1989 (Genus)
Crenotrichaceae (Family)
Crenothrix Cohn 1870 (Genus)
Chitinophaga Sangkhobol and Skerman 1981 (Genus)
Rhodothermus Alfredsson et al. 1995 (Genus)
Toxothrix Molisch 1925 (Genus)
Fusobacteria(1) (3)
Fusobacteria (4)
Fusobacteriales (5)
Fusobacteriaceae (Family)
Fusobacterium Knorr 1922 (Genus)
Ilyobacter Stieb and Schink 1985 (Genus)
Leptotrichia Trevisan 1879 (Genus)
Propionigenium Schink and Pfennig 1983 (Genus)
Sebaldella Collins and Shah 1986 (Genus)
Streptobacillus Levaditi et al. 1925 (Genus)
Fusibacters incertae sedis (Family)
Cetobacterium Foster et al. 1996 (Genus)
Verrucomicrobia (3)
Verrucomicrobiae (4)
Verrucomicrobiales (5)
Verrucomicrobiaceae (Family)
Verrucomicrobium Schlesner 1988 (Genus)
Prosthecobacter Staley et al. 1980 (Genus)
Dictyoglomi(1) (3)
Dictyoglomi (4)
Dictyoglomales (5)
Dictyoglomaceae (Family)
Dictyoglomus Saiki et al. 1985 (Genus)
Unassigned prokaryote genera (2)
No family (Family)
Actinoalloteichus Tamura et al. 2000 (Genus)
Bacterionema Gilmour et al. 1961 (Genus)
Bactoderma Tepper and Korshunova 1973 (Genus)
Stibiobacter Lyalikova 1974 (Genus)
Siderocapsa (Genus)
Ferroplasmaceae (Family)
Ferroplasma Golyshina et al. 2000 (Genus)

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