Validly published names of genera of the domain (or empire) of Bacteria (or Eubacteria)
See also Validly published names of genera of the domain (or empire) of Archaea (or Archaeobacteria) - Validly published names of genera
A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
Abiotrophia
Acanthopleuribacter
Acaricomes
Acetanaerobacterium
Acetatifactor
Acetitomaculum
Acetivibrio
Acetoanaerobium
Acetobacter
Acetofilamentum
Acetogenium
Acetohalobium
Acetomicrobium
Acetonema
Acetothermus
Acholeplasma
Achromatium
Achromobacter
Acidaminobacter
Acidaminococcus
Acidicaldus
Acidicapsa
Acidiferrobacter
Acidimicrobium
Acidiphilium
Acidisoma
Acidisphaera
Aciditerrimonas
Acidithiobacillus
Acidobacterium
Acidocella
Acidomonas
Acidothermus
Acidovorax
Acinetobacter
Acrocarpospora
Actibacter
Actibacterium
Actinaurispora
Actinoallomurus
Actinoalloteichus
Actinobacillus
Actinobaculum
Actinobispora
Actinocatenispora
Actinocorallia
Actinokineospora
Actinomadura
Actinomyces
Actinomycetospora
Actinophytocola
Actinoplanes
Actinopolymorpha
Actinopolyspora
Actinopycnidium
Actinospica
Actinosporangium
Actinosynnema
Actinotalea
Adhaeribacter
Adlercreutzia
Advenella
Aegyptianella
Aequorivita
Aeribacillus
Aeriscardovia
Aerococcus
Aeromicrobium
Aeromonas
Aestuariibacter
Aestuariibaculum
Aestuariicola
Aestuariimicrobium
Afifella
Afipia
Agaricicola
Agarivorans
Aggregatibacter
Agitococcus
Agreia
Agrobacterium
Agrococcus
Agromonas
Agromyces
Ahrensia
Aidingimonas
Akkermansia
Albibacter
Albidiferax
Albidovulum
Albimonas
Alcaligenes
Alcalilimnicola - see: Alkalilimnicola
Alcanivorax
Algibacter
Algicola
Algimonas
Algiphilus
Algoriphagus
Aliagarivorans
Alicycliphilus
Alicyclobacillus
Aliidiomarina
Aliivibrio
Alishewanella
Alistipes
Alkalibacillus
Alkalibacter
Alkalibacterium
Alkalibaculum
Alkaliflexus
Alkalilimnicola
Alkalimonas
Alkaliphilus
Alkalispirillum
Alkalitalea
Alkanibacter
Alkanindiges
Allisonella
Alloactinosynnema
Allobacillus
Allobaculum
Allocatelliglobosispora
Allochromatium
Allofustis
Alloiococcus
Allokutzneria
Allomonas
Allonocardiopsis
Alloprevotella
Allorhizobium
Alloscardovia
Alpinimonas
Altererythrobacter
Alteribacillus
Alterococcus
Alteromonas
Alysiella
Amantichitinum
Amaricoccus
Ameyamaea
Aminiphilus
Aminobacter
Aminobacterium
Aminomonas
Ammonifex
Ammoniphilus
Amnibacterium
Amoebobacter
Amorphosporangium
Amorphus
Amphibacillus
Amphritea
Ampullariella
Amycolata
Amycolatopsis
Amycolicicoccus
Anaeroarcus
Anaerobacillus
Anaerobacter
Anaerobaculum
Anaerobiospirillum
Anaerobranca
Anaerocella
Anaerococcus
Anaerofilum
Anaerofustis
Anaeroglobus
Anaerolinea
Anaeromusa
Anaeromyxobacter
Anaerophaga
Anaeroplasma
Anaerorhabdus
Anaerosalibacter
Anaerosinus
Anaerosphaera
Anaerosporobacter
Anaerostipes
Anaerotruncus
Anaerovibrio
Anaerovirgula
Anaerovorax
Anaplasma
Ancalochloris
Ancalomicrobium
Ancylobacter
Anderseniella
Andreprevotia
Aneurinibacillus
Angiococcus
Angulomicrobium
Angustibacter
Anoxybacillus
Anoxynatronum
Antarctobacter
Aquabacter
Aquabacterium
Aquamicrobium
Aquaspirillum
Aquicella
Aquifex
Aquiflexum
Aquimarina
Aquimonas
Aquincola
Aquipuribacter
Aquisalibacillus
Aquisalimonas
Aquisphaera
Aquitalea
Arachnia
Arcanobacterium
Archangium
Arcicella
Arcobacter
Arcticibacter
Arenibacter
Arenicella
Arenimonas
Arhodomonas
Armatimonas
Arsenicicoccus
Arsenophonus
Arthrobacter
Asaccharobacter
Asaia
Asanoa
Aspromonas
Asteroleplasma
Asticcacaulis
Atopobacter
Atopobium
Atopococcus
Atopostipes
Aurantimonas
Auraticoccus
Aureibacter
Aureicoccus
Aureimonas
Aureispira
Aureitalea
Aureivirga
Aureobacterium
Auritidibacter
Austwickia
Avibacterium
Azoarcus
Azohydromonas
Azomonas
Azomonotrichon
Azonexus
Azorhizobium
Azorhizophilus
Azospira
Azospirillum
Azotobacter
Azovibrio
Bacillus
Bacteriolyticum (illegitimate)
Bacterionema
Bacteriovorax
Bacteroides
Bactoderma
Balnearium
Balneatrix
Balneimonas
Balneola
Barnesiella
Barrientosiimonas
Bartonella
Basfia
Bauldia
Bavariicoccus
Bdellovibrio
Beggiatoa
Beijerinckia
Belliella
Bellilinea
Belnapia
Beneckea
Bergeriella
Bergeyella
Bermanella
Beutenbergia
Bhargavaea
Bibersteinia
Bifidobacterium
Bilophila
Biostraticola
Bisgaardia
Bizionia
Blastobacter
Blastochloris
Blastococcus
Blastomonas
Blastopirellula
Blattabacterium
Blautia
Bogoriella
Bordetella
Borrelia
Bosea
Bowmanella
Brachybacterium
Brachymonas
Brachyspira
Brackiella
Bradyrhizobium
Branchiibius
Branhamella
Brassicibacter
Brenneria
Breoghania
Brevibacillus
Brevibacterium
Brevinema
Brevundimonas
Brochothrix
Brockia
Brooklawnia
Brucella
Brumimicrobium
Bryantella
Bryobacter
Bryocella
Buchnera
Budvicia
Bulleidia
Burkholderia
Buttiauxella
Butyricicoccus
Butyricimonas
Butyrivibrio
Byssovorax
Caedibacter
Caenibacterium
Caenimonas
Caenispirillum
Caldalkalibacillus
Caldanaerobacter
Caldanaerobius
Caldanaerovirga
Calderobacterium
Caldibacillus
Caldicellulosiruptor
Caldicoprobacter
Caldilinea
Caldimicrobium
Caldimonas
Caldisericum
Calditerricola
Calditerrivibrio
Caldithrix
Calidifontibacter
Caloramator
Caloranaerobacter
Caloribacterium
Calymmatobacterium
Camelimonas
Caminibacter
Caminicella
Campylobacter
Candidimonas
Capnocytophaga
Capsularis
Carbophilus
Carboxydibrachium
Carboxydobrachium - See: Carboxydibrachium
Carboxydocella
Carboxydothermus
Cardiobacterium
Carnimonas
Carnobacterium
Caryophanon
Caseobacter
Castellaniella
Catalinimonas
Catellatospora
Catellibacterium
Catellicoccus
Catelliglobosispora
Catenibacterium
Catenococcus
Catenovulum
Catenulispora
Catenuloplanes
Catonella
Caulobacter
Cecembia
Cedecea
Celeribacter
Celerinatantimonas
Cellulomonas
Cellulophaga
Cellulosibacter
Cellulosilyticum
Cellulosimicrobium
Cellvibrio
Centipeda
Cerasibacillus
Cerasicoccus
Cesiribacter
Cetobacterium
Chainia
Chelativorans
Chelatobacter
Chelatococcus
Chelonobacter
Chimaereicella
Chitinibacter
Chitinilyticum
Chitinimonas
Chitiniphilus
Chitinivorax
Chitinophaga
Chlamydia
Chlamydophila
Chlorobaculum
Chlorobium
Chloroflexus
Chloroherpeton
Chloronema
Chondromyces
Christensenella
Chromatium
Chromatocurvus
Chromobacterium
Chromohalobacter
Chryseobacterium
Chryseoglobus
Chryseolinea
Chryseomicrobium
Chryseomonas
Chrysiogenes
Chthonomonas
Chungangia
Citreicella
Citreimonas
Citricoccus
Citrobacter
Clavibacter
Clevelandina
Cloacibacillus
Cloacibacterium
Clostridiisalibacter
Clostridium
Cobetia
Cocleimonas
Coenonia
Cohaesibacter
Cohnella
Collimonas
Collinsella
Colwellia
Comamonas
Compostimonas
Conchiformibius
Conexibacter
Conglomeromonas
Congregibacter
Constrictibacter
Coprobacillus
Coprococcus
Coprothermobacter
Coraliomargarita
Corallibacter
Corallococcus
Corallomonas
Coriobacterium
Corynebacterium
Cosenzaea
Costertonia
Couchioplanes
Cowdria
Coxiella
Crabtreella
Craurococcus
Crenothrix
Crinalium (not validly published)
Cristispira
Croceibacter
Croceicoccus
Croceitalea
Crocinitomix
Cronobacter
Crossiella
Cruoricaptor
Cryobacterium
Cryomorpha
Cryptanaerobacter
Cryptobacterium
Cryptosporangium
Cucumibacter
Cupriavidus
Curtobacterium
Curvibacter
Cyclobacterium
Cycloclasticus
Cystobacter
Cytophaga
Dactylosporangium
Daeguia
Dasania
Dechloromonas
Dechlorosoma
Deefgea
Deferribacter
Deferrisoma
Defluvibacter
Defluviicoccus
Defluviimonas
Defluviitalea
Defluviitoga
Dehalobacter
Dehalococcoides
Dehalogenimonas
Dehalospirillum
Deinobacter
Deinobacterium
Deinococcus
Deleya
Delftia
Demequina
Demetria
Dendrosporobacter
Denitratisoma
Denitrobacterium
Denitrovibrio
Dermabacter
Dermacoccus
Dermatophilus
Derxia
Desemzia
Desertibacter
Desmospora
Desulfacinum
Desulfarculus
Desulfatibacillum
Desulfatiferula
Desulfatirhabdium
Desulfatitalea
Desulfitibacter
Desulfitispora
Desulfitobacterium
Desulfobacca
Desulfobotulus
Desulfobacter
Desulfobacterium
Desulfobacula
Desulfobaculum
Desulfobulbus
Desulfocapsa
Desulfocella
Desulfococcus
Desulfoconvexum
Desulfocurvus
Desulfofaba
Desulfofrigus
Desulfofustis
Desulfoglaeba
Desulfohalobium
Desulfoluna
Desulfomicrobium
Desulfomonas
Desulfomonile
Desulfomusa
Desulfonatronobacter
Desulfonatronospira
Desulfonatronovibrio
Desulfonatronum
Desulfonauticus
Desulfonema
Desulfonispora
Desulfopila
Desulforegula
Desulforhabdus
Desulforhopalus
Desulfosalsimonas
Desulfosarcina
Desulfosoma
Desulfospira
Desulfosporosinus
Desulfotalea
Desulfothermus
Desulfotignum
Desulfotomaculum
Desulfovermiculus
Desulfovibrio
Desulfovirga
Desulfovirgula
Desulfurella
Desulfurispira
Desulfurispirillum
Desulfurispora
Desulfurivibrio
Desulfurobacterium
Desulfuromonas
Desulfuromusa
Dethiobacter
Dethiosulfatibacter
Dethiosulfovibrio
Devosia
Devriesea
Dialister
Diaminobutyricimonas
Diaphorobacter
Dichelobacter
Dichotomicrobium
Dickeya
Dictyoglomus
Dietzia
Dinoroseobacter
Diplocalyx
Diplorickettsia
Dissulfuribacter
Dokdonella
Dokdonia
Dolosicoccus
Dolosigranulum
Domibacillus
Donghaeana
Dongia
Donghicola
Dorea
Duganella
Dyadobacter
Dyella
Dysgonomonas
Echinicola
Echinimonas
Ectothiorhodosinus
Ectothiorhodospira
Edaphobacter
Edwardsiella
Effluviibacter
Eggerthella
Eggerthia
Ehrlichia
Eikenella
Eilatimonas
Eionea
Ekhidna
Elioraea
Elizabethkingia
Elstera
Elusimicrobium
Elytrosporangium
Empedobacter
Emticicia
Endobacter
Endozoicomonas
Enhydrobacter
Enhygromyxa
Ensifer
Enteractinococcus
Enterobacter
Enterococcus
Enterorhabdus
Enterovibrio
Entomoplasma
Eperythrozoon
Epibacterium
Epilithonimonas
Eremococcus
Erwinia
Erysipelothrix
Erythrobacter
Erythromicrobium
Erythromonas
Escherichia
Ethanoligenens
Eubacterium
Eudoraea
Euzebya
Euzebyella
Ewingella
Excellospora
Exiguobacterium
Exilispira
Extensimonas
Fabibacter
Facklamia
Faecalibacterium
Faenia
Falcivibrio
Falsibacillus
Falsirhodobacter
Fangia
Fastidiosipila
Ferribacterium
Ferrimicrobium
Ferrimonas
Ferrithrix
Ferrovibrio
Ferruginibacter
Fervidicella
Fervidicola
Fervidobacterium
Fibrella
Fibrisoma
Fibrobacter
Filibacter
Filifactor
Filimonas
Filobacillus
Filomicrobium
Fimbriimonas
Finegoldia
Flagellimonas
Flammeovirga
Flaviflexus
Flavihumibacter
Flavimonas
Flaviramulus
Flavisolibacter
Flavitalea
Flavivirga
Flavobacterium
Flavonifractor
Flectobacillus
Flexibacter
Flexistipes
Flexithrix
Flexivirga
Flindersiella
Fluoribacter
Fluviicola
Fodinibacter
Fodinibius
Fodinicola
Fodinicurvata
Fontibacillus
Fontibacter
Fonticella
Fontimonas
Formivibrio
Formosa
Francisella
Frankia
Frateuria
Fretibacterium
Friedmanniella
Frigoribacterium
Frondicola
Frondihabitans
Fructobacillus
Fuchsiella
Fulvibacter
Fulvimarina
Fulvimonas
Fulvitalea
Fulvivirga
Fundibacter
Fusibacter
Fusobacterium
Gaetbulibacter
Gaetbulicola
Gaetbulimicrobium
Gaiella
Galbibacter
Galenea
Gallaecimonas
Gallibacterium
Gallicola
Gallionella
Gangjinia
Garciella
Gardnerella
Gelidibacter
Gelria
Gemella
Geminicoccus
Gemmata
Gemmatimonas
Gemmiger
Gemmobacter
Geoalkalibacter
Geobacillus
Geobacter
Geodermatophilus
Geofilum
Geomicrobium
Geopsychrobacter
Georgfuchsia
Georgenia
Geosporobacter
Geothermobacter
Geothrix
Geotoga
Geovibrio
Gibbsiella
Giesbergeria
Gilliamella
Gillisia
Gilvibacter
Gilvimarinus
Glaciecola
Glaciibacter
Glaciimonas
Globicatella
Gluconacetobacter
Gluconoacetobacter - See: Gluconacetobacter
Gluconobacter
Glycocaulis
Glycomyces
Goodfellowia
Goodfellowiella
Gordona - See: Gordonia
Gordonia
Gordonibacter
Gracilibacillus
Gracilibacter
Gracilimonas
Grahamella
Gramella
Granulibacter
Granulicatella
Granulicella
Granulicoccus
Granulosicoccus
Grimontia
Gryllotalpicola
Guggenheimella
Gulbenkiania
Gulosibacter
Haematobacter
Haemobartonella
Haemophilus
Hafnia
Hahella
Halalkalibacillus
Halanaerobacter
Halanaerobaculum
Halanaerobium
Halarsenatibacter
Haliangium
Haliea
Halioglobus
Haliscomenobacter
Hallella
Haloactinobacterium
Haloactinopolyspora
Haloactinospora
Haloanaerobacter - see: Halanaerobacter
Haloanaerobium - see: Halanaerobium
Halobacillus
Halobacteroides
Halocella
Halochromatium
Haloechinothrix
Haloferula
Haloglycomyces
Haloincola
Halolactibacillus
Halomonas
Halonatronum
Haloplasma
Halorhodospira
Halospina
Halospirulina
Halotalea
Halothermothrix
Halothiobacillus
Halovibrio
Hamadaea
Hansschlegelia
Hasllibacter
Helcobacillus
Helcococcus
Heliobacillus
Helicobacter
Heliobacterium
Heliophilum
Heliorestis
Heliothrix
Hellea
Henriciella
Herbaspirillum
Herbiconiux
Herbidospora
Herminiimonas
Herpetosiphon
Hespellia
Hippea
Hirschia
Histophilus
Hoeflea
Holdemania
Hollandina
Holophaga
Holospora
Homoserinimonas
Hongia
Hongiella
Howardella
Hoyosella
Huaishuia
Huanghella
Humibacillus
Humibacter
Humicoccus
Humihabitans
Humitalea
Hwanghaeicola
Hyalangium
Hydrocarboniphaga
Hydrogenibacillus
Hydrogenimonas
Hydrogenivirga
Hydrogenoanaerobacterium
Hydrogenobacter
Hydrogenobaculum
Hydrogenophaga
Hydrogenophilus
Hydrogenothermus
Hydrogenovibrio
Hydrotalea
Hylemonella
Hymenobacter
Hyphomicrobium
Hyphomonas
Hyunsoonleella
Iamia
Ideonella
Idiomarina
Ignatzschineria
Ignavibacterium
Ignavigranum
Ilumatobacter
Ilyobacter
Imtechella
Indibacter
Inhella
Inquilinus
Insolitispirillum
Intrasporangium
Iodobacter
Isobaculum
Isochromatium
Isoptericola
Isosphaera
Jahnella
Janibacter
Jannaschia
Janthinobacterium
Jatrophihabitans
Jejuia
Jeongeupia
Jeotgalibacillus
Jeotgalicoccus
Jhaorihella
Jiangella
Jishengella
Johnsonella
Jonesia
Jonquetella
Joostella
Kaistella
Kaistia
Kandleria
Kangiella
Kerstersia
Ketogulonicigenium
Ketogulonigenium - see: Ketogulonicigenium
Kibdelosporangium
Kiloniella
Kineococcus
Kineosphaera
Kineosporia
Kingella
Kinneretia
Kistimonas
Kitasatoa
Kitasatospora
Kitasatosporia - see: Kitasatospora
Klebsiella
Klugiella
Kluyvera
Knoellia
Kocuria
Koreibacter
Kofleria
Komagataeibacter
Kordia
Kordiimonas
Koserella
Kosmotoga
Kozakia
Krasilnikovia
Kribbella
Kribbia
Kriegella
Krokinobacter
Kroppenstedtia
Ktedonobacter
Kurthia
Kushneria
Kutzneria
Kyrpidia
Kytococcus
Labedaea
Labedella
Labrenzia
Labrys
Laceyella
Lachnoanaerobaculum
Lachnobacterium
Lachnospira
Lacibacter
Lacinutrix
Lacticigenium
Lactobacillus
Lactococcus
Lactonifactor
Lactosphaera
Lactovum
Lamprobacter
Lamprocystis
Lampropedia
Lapillicoccus
Laribacter
Larkinella
Lautropia
Lawsonia
Leadbetterella
Lebetimonas
Lechevalieria
Leclercia
Leeia
Leeuwenhoekiella
Legionella
Leifsonia
Leisingera
Leminorella
Lentibacillus
Lentibacter
Lentisphaera
Lentzea
Leptobacterium
Leptolinea
Leptonema
Leptospira
Leptospirillum
Leptothrix
Leptotrichia
Leucobacter
Leuconostoc
Leucothrix
Levilinea
Levinea
Lewinella
Lihuaxuella
Limibacter
Limimonas
Limnobacter
Limnohabitans
Limnothrix (not validly published)
Lishizhenia
Listeria
Listonella
Litoreibacter
Litoribacter
Litoricola
Litorilinea
Litorimonas
Litorimicrobium
Litorisediminicola
Loktanella
Lonepinella
Longilinea
Longispora
Lonsdalea
Lucibacterium
Luedemannella
Lutaonella
Luteibacter
Luteimicrobium
Luteimonas
Luteipulveratus
Luteivirga
Luteococcus
Luteolibacter
Lutibacter
Lutibaculum
Lutimaribacter
Lutimonas
Lutispora
Lysinibacillus
Lysinimicrobium
Lysinimonas
Lysobacter
Lyticum
Macellibacteroides
Macrococcus
Macromonas
Magnetococcus
Magnetospira
Magnetospirillum
Magnetovibrio
Mahella
Malikia
Malonomonas
Mameliella
Mangrovibacter
Mangroviflexus
Mangrovimonas
Mannheimia
Maribacter
Maribaculum
Maribius
Maricaulis
Marichromatium
Maricurvus
Marihabitans
Marinactinospora
Marinibacillus
Marinicauda
Marinicella
Marinicola
Marinifilum
Mariniflexile
Marinilabilia
Marinilactibacillus
Marinimicrobium
Marininema
Mariniradius
Marinithermus
Marinitoga
Marinivirga
Marinobacter
Marinobacterium
Marinococcus
Marinomonas
Marinoscillum
Marinospirillum
Marinovum
Mariprofundus
Marisediminicola
Marispirillum
Maritalea
Maritimibacter
Maritimimonas
Marivirga
Marivita
Marixanthomonas
Marmoricola
Martelella
Marvinbryantia
Massilia
Mechercharimyces
Megamonas
Meganema
Megasphaera
Meiothermus
Melghirimyces
Melisococcus - see: Melissococcus
Melissococcus
Melitea
Melittangium
Meniscus
Meridianimaribacter
Mesoflavibacter
Mesonia
Mesophilobacter
Mesoplasma
Mesorhizobium
Mesotoga
Metallibacterium
Methanoregula
Metascardovia
Methylarcula
Methylibium
Methylobacillus
Methylobacter
Methylobacterium
Methylocaldum
Methylocapsa
Methylocella
Methylococcus
Methylocystis
Methyloferula
Methylogaea
Methylohalobius
Methylohalomonas
Methylomarinum
Methylonatrum
Methylomicrobium
Methylomonas
Methylophaga
Methylophilus
Methylopila
Methylorhabdus
Methylorosula
Methylosarcina
Methylosinus
Methylosoma
Methylosphaera
Methylotenera
Methylothermus
Methyloversatilis
Methylovirgula
Methylovorus
Methylovulum
Micavibrio
Microaerobacter
Microbacterium
Microbispora
Microbulbifer
Microcella
Micrococcus
Microcyclus
Microcystis (not validly published)
Microellobosporia
Microlunatus
Micromonas
Micromonospora
Micropolyspora
Micropruina
Microscilla
Microsphaera
Microterricola
Microtetraspora
Microvirga
Microvirgula
Millisia
Miniimonas
Mitsuaria
Mitsuokella
Mobilicoccus
Mobiluncus
Modestobacter
Modicisalibacter
Moellerella
Mogibacterium
Mongoliicoccus
Mongoliitalea
Mooreia
Moorella
Moraxella
Morganella
Moritella
Morococcus
Moryella
Motilibacter
Mucilaginibacter
Mucispirillum
Murdochiella
Muricauda
Muricoccus
Muriicola
Murinocardiopsis
Myceligenerans
Mycetocola
Mycobacterium
Mycoplana
Mycoplasma
Myroides
Myxococcus
Nafulsella
Nakamurella
Namhaeicola
Nannocystis
Natranaerobius
Natranaerovirga
Natribacillus
Natroniella
Natronincola
Natronobacillus
Natronocella
Natronoflexus
Natronoincola - see: Natronincola
Natronovirga
Naumannella
Nautella
Nautilia
Naxibacter
Necropsobacter
Negativicoccus
Neiella
Neisseria
Neoasaia
Neochlamydia
Neokomagataea
Neorickettsia
Neptuniibacter
Neptunomonas
Nereida
Nesiotobacter
Nesterenkonia
Nevskia
Niabella
Niastella
Nicoletella
Nisaea
Nitratifractor
Nitratireductor
Nitratiruptor
Nitriliruptor
Nitrincola
Nitritalea
Nitrobacter
Nitrococcus
Nitrosococcus
Nitrosolobus
Nitrosomonas
Nitrosospira
Nitrospina
Nitrospira
Nocardia
Nocardioides
Nocardiopsis
Nonlabens
Nonomuraea
Nonomuria - See: Nonomuraea
Nosocomiicoccus
Novispirillum
Novosphingobium
Nubsella
Obesumbacterium
Oceanibacterium
Oceanibaculum
Oceanibulbus
Oceanicaulis
Oceanicella
Oceanicola
Oceanimonas
Oceaniserpentilla
Oceanisphaera
Oceanitalea
Oceanithermus
Oceanobacillus
Oceanobacter
Oceanomonas - see: Oceanimonas
Oceanospirillum
Oceanotoga
Ochrobactrum
Octadecabacter
Odoribacter
Oenococcus
Oerskovia
Ohtaekwangia
Okibacterium
Oleibacter
Oleiphilus
Oleispira
Oligella
Oligosphaera
Oligotropha
Olivibacter
Olleya
Olsenella
Opitutus
Orbus
Orenia
Oribacterium
Oribaculum
Orientia
Ornatilinea
Ornithinibacillus
Ornithinibacter
Ornithinicoccus
Ornithinimicrobium
Ornithobacterium
Oryzihumus
Oscillibacter
Oscillochloris
Oscillospira
Otariodibacter
Ottowia
Owenweeksia
Oxalicibacterium
Oxalobacter
Oxalophagus
Oxobacter
Pacificibacter
Paenalcaligenes
Paenibacillus
Paenisporosarcina
Paenochrobactrum
Palleronia
Paludibacter
Paludibacterium
Panacagrimonas
Pandoraea
Pannonibacter
Pantoea
Papillibacter
Parabacteroides
Parachlamydia
Paracoccus
Paracraurococcus
Paraeggerthella
Paraferrimonas
Paralactobacillus
Paralcaligenes
Paraliobacillus
Paramoritella
Paraoerskovia
Parapedobacter
Paraperlucidibaca
Paraprevotella
Parapusillimonas
Pararhodobacter
Parascardovia
Parasegetibacter
Parasphingopyxis
Parasporobacterium
Parasutterella
Parvibaculum
Parvimonas
Parvularcula
Pasteurella
Pasteuria
Patulibacter
Paucibacter
Paucimonas
Paucisalibacillus
Pectinatus
Pectobacterium
Pediococcus
Pedobacter
Pedomicrobium
Pelagibaca
Pelagibacillus
Pelagibacterium
Pelagibius
Pelagicoccus
Pelagicola
Pelagimonas
Pelczaria (rejected name)
Pelistega
Pelobacter
Pelodictyon
Pelomonas
Pelosinus
Pelospora
Pelotomaculum
Peptococcus
Peptoniphilus
Peptostreptococcus
Peredibacter
Perexilibacter
Perlucidibaca
Persephonella
Persicirhabdus
Persicitalea
Persicivirga
Persicobacter
Petrimonas
Petrobacter
Petrotoga
Pfennigia
Phaeobacter
Phaeochromatium
Phaeocystidibacter
Phaeospirillum
Phaeovibrio
Phascolarctobacterium
Phaselicystis
Phaseolibacter
Phenylobacterium
Phocaeicola
Phocoenobacter
Phorcysia
Photobacterium
Photorhabdus
Phycicoccus
Phycicola
Phycisphaera
Phyllobacterium
Phytohabitans
Phytomonospora
Pibocella
Pigmentiphaga
Pilibacter
Pilimelia
Pillotina
Pimelobacter
Pirella
Pirellula
Piscibacillus
Piscicoccus
Pisciglobus
Piscinibacter
Piscirickettsia
Planctomyces
Planifilum
Planktotalea
Planktothricoides
Planktothrix (not validly published)
Planobacterium
Planobispora
Planococcus
Planomicrobium
Planomonospora
Planopolyspora
Planosporangium
Planotetraspora
Plantactinospora
Plantibacter
Plasticicumulans
Pleomorphobacterium
Pleomorphomonas
Pleisomonas - see: Plesiomonas
Plesiocystis
Plesiomonas
Polaribacter
Polaromonas
Polyangium
Polycladomyces
Polymorphospora
Polynucleobacter
Pontibaca
Pontibacillus
Pontibacter
Ponticaulis
Ponticoccus
Pontimonas
Pontirhabdus
Porphyrobacter
Porphyromonas
Porticoccus
Poseidonocella
Postechiella
Pragia
Prauserella
Prevotella
Pricia
Primorskyibacter
Prochlorococcus
Prochloron
Prochlorothrix
Profundibacterium
Prolinoborus
Prolixibacter
Promicromonospora
Propionibacter
Propionibacterium
Propionicicella
Propioniciclava
Propionicimonas
Propioniferax
Propionigenium
Propionimicrobium
Propionispira
Propionispora
Propionivibrio
Prosthecobacter
Prosthecochloris
Prosthecomicrobium
Proteiniborus
Proteiniclasticum
Proteiniphilum
Proteocatella
Proteus
Protomonas
Providencia
Pseudacidovorax
Pseudahrensia
Pseudaminobacter
Pseudarcicella
Pseudenhygromyxa
Pseudidiomarina
Pseudoalteromonas
Pseudoamycolata
Pseudobutyrivibrio
Pseudocaedibacter
Pseudochrobactrum
Pseudoclavibacter
Pseudoduganella
Pseudofulvibacter
Pseudofulvimonas
Pseudoflavonifractor
Pseudogulbenkiania
Pseudokineococcus
Pseudolabrys
Pseudomonas
Pseudonocardia
Pseudoramibacter
Pseudorhodobacter
Pseudorhodoferax
Pseudoruegeria
Pseudosphingobacterium
Pseudospirillum
Pseudosporangium
Pseudoteredinibacter
Pseudovibrio
Pseudoxanthobacter
Pseudoxanthomonas
Pseudozobellia
Psychrilyobacter
Psychrobacillus
Psychrobacter
Psychroflexus
Psychromonas
Psychroserpens
Psychrosphaera
Pullulanibacillus
Puniceicoccus
Pusillimonas
Pyramidobacter
Pyxidicoccus
Quadricoccus
Quadrisphaera
Quatrionicoccus
Quinella
Rahnella
Ralstonia
Ramlibacter
Raoultella
Rapidithrix
Rarobacter
Rathayibacter
Reichenbachia
Reichenbachiella
Reinekea
Renibacterium
Reyranella
Rhabdochromatium
Rhabdothermus
Rheinheimera
Rhizobacter
Rhizobium
Rhizomicrobium
Rhizomonas
Rhodanobacter
Rhodobaca
Rhodobacter
Rhodobium
Rhodoblastus
Rhodocista
Rhodococcus
Rhodocyclus
Rhodocytophaga
Rhodoferax
Rhodoglobus
Rhodoligotrophos
Rhodomicrobium
Rhodonellum
Rhodopila
Rhodopirellula
Rhodoplanes
Rhodopseudomonas
Rhodospira
Rhodospirillum
Rhodothalassium
Rhodothermus
Rhodovarius
Rhodovibrio
Rhodovulum
Rickettsia
Rickettsiella
Riemerella
Rikenella
Rivibacter
Robiginitalea
Robiginitomaculum
Robinsoniella
Rochalimaea
Roseateles
Roseburia
Roseibaca
Roseibacillus
Roseibacterium
Roseibium
Roseicitreum
Roseicyclus
Roseiflexus
Roseimicrobium
Roseinatronobacter
Roseisalinus
Roseivirga
Roseivivax
Roseobacter
Roseococcus
Roseomonas
Roseospira
Roseospirillum
Roseovarius
Rothia
Ruania
Rubellimicrobium
Rubidibacter
Rubribacterium
Rubricoccus
Rubrimonas
Rubritalea
Rubritepida
Rubrivirga
Rubrivivax
Rubrobacter
Rudaea
Rudaeicoccus
Rudanella
Ruegeria
Rugamonas
Rugosimonospora
Ruminobacter
Ruminococcus
Rummeliibacillus
Runella
Saccharibacillus
Saccharibacter
Saccharobacter
Saccharococcus
Saccharofermentans
Saccharomonospora
Saccharophagus
Saccharopolyspora
Saccharospirillum
Saccharothrix
Sagittula
Salana
Salegentibacter
Salibacillus
Salicola
Salimesophilobacter
Salimicrobium
Salinactinospora
Salinarimonas
Salinibacillus
Salinibacter
Salinibacterium
Salinicoccus
Salinicola
Salinihabitans
Salinimicrobium
Salinimonas
Salinirepens
Salinisphaera
Salinispora
Salinivibrio
Salipiger
Salirhabdus
Salisaeta
Salisediminibacterium
Saliterribacillus
Salmonella
Salsuginibacillus
Samsonia
Sandaracinobacter
Sandaracinus
Sandarakinorhabdus
Sandarakinotalea
Sanguibacter
Saprospira
Sarcina
Sarcobium
Saxeibacter
Scardovia
Schineria
Schlegelella
Schleiferia
Schlesneria
Schumannella
Schwartzia
Sciscionella
Sebaldella
Sedimentibacter
Sedimenticola
Sediminibacillus
Sediminibacter
Sediminibacterium
Sediminicola
Sediminihabitans
Sediminimonas
Sediminitomix
Segetibacter
Segniliparus
Seinonella
Sejongia
Selenihalanaerobacter
Selenomonas
Seliberia
Seohaeicola
Serinibacter
Serinicoccus
Serpens
Serpula
Serpulina
Serratia
Sharpea
Shewanella
Shigella
Shimazuella
Shimia
Shimwellia
Shinella
Shivajiella
Shuttleworthia
Siansivirga
Silanimonas
Silicibacter
Silvimonas
Simiduia
Simkania
Simonsiella
Simplicispira
Singularimonas
Singulisphaera
Sinobaca
Sinobacter
Sinobacterium
Sinococcus
Sinomicrobium
Sinomonas
Sinorhizobium
Sinosporangium
Siphonobacter
Skermanella
Skermania
Slackia
Smaragdicoccus
Smithella
Sneathia
Sneathiella
Snodgrassella
Snuella
Sodalis
Soehngenia
Solibacillus
Solimonas
Solirubrobacter
Solitalea
Solobacterium
Soonwooa
Sorangium
Sphaerisporangium
Sphaerobacter
Sphaerochaeta
Sphaerotilus
Sphingobacterium
Sphingobium
Sphingomicrobium
Sphingomonas
Sphingopyxis
Sphingorhabdus
Sphingosinicella
Spinactinospora
Spirilliplanes
Spirillospora
Spirillum
Spirochaeta
Spiroplasma
Spirosoma
Spongiibacter
Spongiibacterium
Spongiispira
Sporacetigenium
Sporanaerobacter
Sporichthya
Sporobacter
Sporobacterium
Sporocytophaga
Sporohalobacter
Sporolactobacillus
Sporolituus
Sporomusa
Sporosalibacterium
Sporosarcina
Sporotalea
Sporotomaculum
Stackebrandtia
Stakelama
Staleya
Stanierella
Staphylococcus
Stappia
Starkeya
Stella
Stenothermobacter
Stenotrophomonas
Stenoxybacter
Steroidobacter
Sterolibacterium
Stibiobacter
Stigmatella
Stomatobaculum
Stomatococcus
Streptacidiphilus
Streptimonospora - See: Streptomonospora
Streptoalloteichus
Streptobacillus
Streptococcus
Streptohalobacillus
Streptomonospora
Streptomyces: S.abikoensis-S.exfoliatus - S.felleus-S.mutomycini - S.naganishii-S. zaomyceticus
Streptosporangium
Streptoverticillium
Subdoligranulum
Subsaxibacter
Subsaximicrobium
Subtercola
Succinatimonas
Succiniclasticum
Succinimonas
Succinispira
Succinivibrio
Sulfitobacter
Sulfobacillus
Sulfuricella
Sulfuricurvum
Sulfurihydrogenibium
Sulfurimonas
Sulfuritalea
Sulfurivirga
Sulfurospirillum
Sulfurovum
Sungkyunkwania
Sunxiuqinia
Sutterella
Suttonella
Swaminathania
Symbiobacterium
Symbiotes
Synergistes
Syntrophaceticus
Syntrophobacter
Syntrophobotulus
Syntrophococcus
Syntrophomonas
Syntrophorhabdus
Syntrophospora
Syntrophothermus
Syntrophus
Tamlana
Tamlicoccus
Tannerella
Tanticharoenia
Tardiphaga
Tateyamaria
Tatlockia
Tatumella
Taylorella
Tectibacter
Teichococcus
Telluria
Telmatobacter
Telmatocola
Telmatospirillum
Tenacibaculum
Tenuibacillus
Tepidamorphus
Tepidanaerobacter
Tepidibacter
Tepidicella
Tepidimicrobium
Tepidimonas
Tepidiphilus
Terasakiella
Teredinibacter
Terrabacter
Terracoccus
Terribacillus
Terriglobus
Terrimonas
Tessaracoccus
Tetragenococcus
Tetrasphaera
Tetrathiobacter
Thalassobaculum
Thalassobacillus
Thalassobacter
Thalassobius
Thalassococcus
Thalassolituus
Thalassomonas
Thalassospira
Thauera
Thermacetogenium
Thermaerobacter
Thermanaeromonas
Thermanaerovibrio
Thermasporomyces
Thermicanus
Thermincola
Thermithiobacillus
Thermoactinomyces
Thermoactinospora
Thermoanaerobacter
Thermoanaerobacterium
Thermoanaerobium
Thermobacillus
Thermobacteroides
Thermobifida
Thermobispora
Thermobrachium
Thermocatellispora
Thermochromatium
Thermococcoides
Thermocrinis
Thermocrispum
Thermodesulfatator
Thermodesulfobacterium
Thermodesulfobium
Thermodesulforhabdus
Thermodesulfovibrio
Thermoflavimicrobium
Thermogemmatispora
Thermohalobacter
Thermohydrogenium
Thermoleophilum
Thermolithobacter
Thermomicrobium
Thermomonas
Thermomonospora
Thermonema
Thermophagus
Thermopolyspora
Thermosediminibacter
Thermosinus
Thermosipho
Thermosporothrix
Thermosulfidibacter
Thermosulfurimonas
Thermosyntropha
Thermotalea
Thermoterrabacterium
Thermothrix
Thermotoga
Thermovenabulum
Thermovibrio
Thermovirga
Thermovorax
Thermovum
Thermus
Thioalbus
Thioalkalibacter
Thialkalicoccus - see: Thioalkalicoccus
Thialkalimicrobium - See: Thioalkalimicrobium
Thialkalivibrio - see: Thioalkalivibrio
Thioalkalicoccus
Thioalkalimicrobium
Thioalkalispira
Thioalkalivibrio
Thiobaca
Thiobacillus
Thiobacter
Thiobacterium
Thiocapsa
Thioclava
Thiococcus
Thiocystis
Thiodictyon
Thiofaba
Thioflavicoccus
Thiohalobacter
Thiohalocapsa
Thiohalomonas
Thiohalophilus
Thiohalorhabdus
Thiohalospira
Thiolamprovum
Thiomargarita
Thiomicrospira
Thiomonas
Thiopedia
Thiophaeococcus
Thioploca
Thioprofundum
Thioreductor
Thiorhodococcus
Thiorhodospira
Thiorhodovibrio
Thiosphaera
Thiospira
Thiospirillum
Thiothrix
Thiovirga
Thiovulum
Thorsellia
Tindallia
Tissierella
Tistlia
Tistrella
Tolumonas
Tomitella
Toxothrix
Trabulsiella
Tranquillimonas
Treponema
Trichlorobacter
Trichococcus
Tropheryma
Tropicibacter
Tropicimonas
Truepera
Trueperella
Tsukamurella
Tuberibacillus
Turicella
Turicibacter
Tumebacillus
Turneriella
Tychonema (not validly published)
Uliginosibacterium
Ulvibacter
Umboniibacter
Umezawaea
Undibacterium
Ureaplasma
Ureibacillus
Uruburuella
Vadicella
Vagococcus
Vampirovibrio
Varibaculum
Variovorax
Vasilyevaea
Veillonella
Venenivibrio
Verminephrobacter
Verrucomicrobium
Verrucosispora
Vibrio
Victivallis
Virgibacillus
Virgisporangium
Virgosporangium - see: Virgisporangium
Viridibacillus
Vitellibacter
Vitreoscilla
Vogesella
Volcaniella
Volucribacter
Vulcanibacillus
Vulcanithermus
Waddlia
Wandonia
Wautersia
Wautersiella
Weeksella
Weissella
Wenxinia
Wigglesworthia
Williamsia
Winogradskyella
Wohlfahrtiimonas
Wolbachia
Wolinella
Woodsholea
Xanthobacter
Xanthomonas
Xenophilus
Xenorhabdus
Xiangella
Xylanibacter
Xylanibacterium
Xylanimicrobium
Xylanimonas
Xylella
Xylophilus
Yangia
Yania
Yaniella
Yeosuana
Yersinia
Yimella
Yokenella
Yonghaparkia
Yuhushiella
Zavarzinella
Zavarzinia
Zeaxanthinibacter
Zhangella
Zhihengliuella
Zhongshania
Zhouia
Zimmermannella
Zobellella
Zobellia
Zoogloea
Zooshikella
Zunongwangia
Zymobacter
Zymomonas
Zymophilus