Genus names whose last component is a Latin noun (or Latin adjective treated like a noun) obtain their gender from the gender of that noun [Rule 65 (1), Rule 65 (2)]. A list of genus names formed in that manner and being in the masculine gender is provided below. Names with Latin components in other positions are not listed here. See also the LPSN introductory page on forming names.
Anaeroarcus — Azoarcus — Cyanarcus — "Candidatus Marinarcus" corrig. — Merismoarcus — Roseiarcus — Sideroxyarcus — Tetrarcus
Acetilactobacillus — "Acidibacillus" — Acidithiobacillus — Actinobacillus — Aeribacillus — "Aerobacillus" — Agrilactobacillus — Aidingibacillus — Albibacillus — Algibacillus — Alicyclobacillus — "Alkalibacillus" — Alkalibacillus — Alkalicoccobacillus — Alkalilactibacillus — Allobacillus — Amedibacillus — Ammoniibacillus — Amphibacillus — Amylolactobacillus — Anaerobacillus — "Anaeromassilibacillus" — Aneurinibacillus — Anoxybacillus — Apilactobacillus — Aquisalibacillus — Arenibacillus — Aureibacillus — Bacillus — Bombilactobacillus — Brevibacillus — Calculibacillus — Caldalkalibacillus — "Caldibacillus" — Caldibacillus — Camelliibacillus — "Candidatus Carbobacillus" — "Candidatus Carbonibacillus" corrig. — Catenibacillus — Cloacibacillus — [Coccobacillus] — Companilactobacillus — Compostibacillus — Coprobacillus — "Desulfobacillus" — Desulfuribacillus — "Duodenibacillus" — Effusibacillus — Enterobacillus — "Erythrobacillus" — Faecalibacillus — Fermentibacillus — [Ferrobacillus] — Fictibacillus — Filobacillus — Flectobacillus — Fontibacillus — Fructilactobacillus — Fructobacillus — Furfurilactobacillus — "Galactobacillus" — Geobacillus — Gracilibacillus — Halalkalibacillus — Halobacillus — Halolactibacillus — Halothiobacillus — Helcobacillus — Heliobacillus — Humibacillus — Hydrogenibacillus — "Intestinibacillus" — Jeotgalibacillus — "Jilinibacillus" — Lacticaseibacillus — Lactiplantibacillus — Lactobacillus — Lapidilactobacillus — Latilactobacillus — Lentibacillus — Lentilactobacillus — Levilactobacillus — Ligilactobacillus — Limibacillus — Limosilactobacillus — Liquorilactobacillus — Litoribacillus — Lottiidibacillus — Lysinibacillus — Mageeibacillus — "Mangrovibacillus" — Marinibacillus — Marinilactibacillus — "Massilibacillus" — Melghiribacillus — "Methanobacillus" — Methylobacillus — Mycolicibacillus — Natribacillus — Natronobacillus — "Negativibacillus" — Negativibacillus — Oceanobacillus — Ornithinibacillus — Paraliobacillus — Paucilactobacillus — Paucisalibacillus — Pelagibacillus — Piscibacillus — Polygonibacillus — Pontibacillus — Psychrobacillus — Pullulanibacillus — Radiobacillus — [Reconcilibacillus] — [Rhodobacillus] — Roseibacillus — Saccharibacillus — Salibacillus — Salinibacillus — Salipaludibacillus — Saliterribacillus — Salsuginibacillus — Schleiferilactobacillus — Scopulibacillus — Secundilactobacillus — Sediminibacillus — Siculibacillus — Sinibacillus — "Candidatus Spirobacillus" — Sporolactobacillus — Streptobacillus — Streptohalobacillus — Sulfobacillus — Tenuibacillus — Tepidibacillus — Terribacillus — Terrilactibacillus — Texcoconibacillus — Thalassobacillus — "Thermalkalibacillus" — Thermithiobacillus — Thermobacillus — Thermolongibacillus — Thiobacillus — Tuberibacillus — Tumebacillus — [Urobacillus] — Viridibacillus — Vulcanibacillus — Xylanibacillus
[Abditibacter] — Abyssibacter — "Abyssisolibacter" — Acanthopleuribacter — "Candidatus Accumulibacter" — [Acestibacter] — "Acetanaerobacter" — Acetobacter — Achromobacter — Acidaminobacter — Acidibacter — Acidiferrobacter — Acidihalobacter — Acidiluteibacter — "Candidatus Acidulidesulfobacter" corrig. — Acinetobacter — Actibacter — Actirhodobacter — Acutalibacter — Adhaeribacter — Aequoribacter — [Aerobacter] — Aestuariibacter — Aetherobacter — Agaribacter — Agathobacter — Aggregatibacter — Agriterribacter — Albibacter — Algibacter — Alkalibacter — Alkanibacter — "Candidatus Allofontibacter" corrig. — Alsobacter — Alteribacter — "Altibacter" — "Altuibacter" — Aminobacter — Amoebobacter — Amylibacter — "Candidatus Anadelfobacter" — Anaerobacter — "Anaerolactibacter" — Anaeromyxobacter — Anaerosalibacter — Anaerosolibacter — Anaerosporobacter — Ancylobacter — Angustibacter — [Anoxipelagibacter] — Anoxybacter — Antarctobacter — Anthocerotibacter — Antribacter — Apibacter — "Aplanobacter" — Aquabacter — Aquariibacter — Aquibacter — Aquidulcibacter — Aquipuribacter — "Arabiibacter" — "Candidatus Arcanibacter" corrig. — "Candidatus Arcanobacter" — Arcobacter — Arcticibacter — Arcticiflavibacter — Arenibacter — Aridibacter — Arsenicibacter — Arthrobacter — Arthrospiribacter — Arundinibacter — Arvibacter — Asaccharobacter — "Ascidiaceibacter" — Asprobacter — "Atlantibacter" — Atopobacter — Atribacter — Aurantiacibacter — "Aurantibacter" — Aurantibacter — Aureibacter — Auritidibacter — "Azobacter" — Azotobacter — "Candidatus Baltobacter" — Biomaibacter — Blastobacter — Botryobacter — Brassicibacter — Brevilactibacter — Breznakibacter — Bryobacter — Butyratibacter — Butyribacter — "Caecibacter" — Caedibacter — "Caespitibacter" — Caldanaerobacter — Caldicoprobacter — Caldisalinibacter — Calidifontibacter — Caloranaerobacter — Caminibacter — Campylobacter — Canibacter — Caproicibacter — "Carotenobacter" — Caseobacter — "Catabacter" — Catabacter — Caulobacter — Caviibacter — Celeribacter — Cellulosibacter — Cereibacter — Cesiribacter — "Changpingibacter" — Chelatobacter — Chelonobacter — Chimaeribacter — Chitinibacter — "Chitinolyticbacter" — Chromohalobacter — Chroobacter — "Chthoniobacter" — Chthonobacter — Chujaibacter — "Candidatus Cibiobacter" — Ciceribacter — "Citreibacter" — Citrobacter — Clavibacter — Clostridiisalibacter — Cnuibacter — Cohaesibacter — "Colibacter" — "Colidextribacter" — Commensalibacter — "Candidatus Competibacter" — Compostibacter — Conexibacter — Confluentibacter — Congregibacter — Conservatibacter — Constrictibacter — "Candidatus Contendibacter" corrig. — "Candidatus Contendobacter" — Coprobacter — Coprothermobacter — Corallibacter — Corticibacter — Corticimicrobacter — Craterilacuibacter — Crenobacter — Cricetibacter — Croceibacter — "Cronobacter" — Cronobacter — Cryptanaerobacter — Cucumibacter — Culicoidibacter — Cumulibacter — Cuneatibacter — [Curacaobacter] — Curvibacter — "Candidatus Cyrtobacter" — Cystobacter — "Candidatus Cytomitobacter" — "Daptobacter" — "Dechlorobacter" — Deferribacter — Defluvibacter — Dehalobacter — Deinobacter — Deminuibacter — Dendrosporobacter — "Denitrobacter" — Dermabacter — Desertibacter — Desulfitibacter — Desulfobacter — "Desulfobacter" — Desulfocurvibacter — Desulfonatronobacter — Desulfothermobacter — Dethiobacter — Dethiosulfatibacter — Diaminobutyricibacter — Diaphorobacter — Dichelobacter — Dictyobacter — Dinghuibacter — Dissulfuribacter — "Candidatus Dormibacter" — "Candidatus Dormiibacter" corrig. — Dyadobacter — Dysosmobacter — Edaphobacter — Effluviibacter — Egibacter — Eisenibacter — Ellagibacter — Emcibacter — Empedobacter — Endobacter — "Candidatus Endonucleariibacter" corrig. — "Candidatus Endonucleariobacter" — "Candidatus Endonucleibacter" corrig. — "Candidatus Endonucleobacter" — Enhydrobacter — Enterobacter — Entomobacter — "Candidatus Epifloribacter" corrig. — "Candidatus Eremiobacter" — Erythrobacter — Extibacter — Fabibacter — Faecalibacter — Fastidiosibacter — "Candidatus Fermentibacter" — [Ferribacter] — Ferruginibacter — Fertoeibacter — "Candidatus Fervidibacter" — Fibrobacter — Filibacter — Flaviaesturariibacter — Flaviflagellibacter — Flavihalobacter — Flavihumibacter — Flavilitoribacter — Flavipsychrobacter — Flavisolibacter — Flexibacter — Flintibacter — "Flocculibacter" — Fluoribacter — Fluviibacter — "Candidatus Fodinibacter" corrig. — Fodinibacter — "Foetidibacter" — "Candidatus Fonsibacter" — Fontibacter — "Candidatus Frackibacter" — Franconibacter — Fretibacter — Frigidibacter — Frondibacter — [Fucobacter] — Fulvibacter — Fundibacter — "Fuscibacter" — Fusibacter — Fusicatenibacter — Gabonibacter — Gaetbulibacter — Galactobacter — "Candidatus Galacturonatibacter" corrig. — "Candidatus Galacturonibacter" — Galbibacter — Gallibacter — Gelidibacter — Gemmobacter — Geoalkalibacter — Geoanaerobacter — Geobacter — Geomesophilobacter — "Geomobilibacter" — Geopsychrobacter — Geosporobacter — Geothermobacter — Gilvibacter — "Ginsengibacter" — Glaciibacter — Gloeobacter — "Candidatus Glomeribacter" — "Glucerabacter" — Gluconobacter — Glutamicibacter — Gordonibacter — Gracilibacter — Granulibacter — [Granulobacter] — Gulosibacter — Haematobacter — "Haererehalobacter" — Halalkalibacter — Halanaerobacter corrig. — Halarcobacter corrig. — Halarsenatibacter — "Candidatus Halichondribacter" — "Candidatus Halichondriibacter" corrig. — Haliscomenobacter — Haloarcobacter — "Halobacter" — Halocynthiibacter — Haloflavibacter — Hartmannibacter — Hasllibacter — Helicobacter — "Candidatus Hepatobacter" — "Hevizibacter" — Homoserinibacter — "Candidatus Houarnoksidobacter" — Humibacter — Hydrobacter — Hydrogenobacter — "Candidatus Hydrogenosomobacter" — Hymenobacter — Hypericibacter — "Hyphobacter" — "Ihubacter" — Ilumatobacter — Ilyobacter — Immundisolibacter — Imperialibacter — Indibacter — Intestinibacter — Iodobacter — Irregularibacter — Janibacter — "Jejubacter" — "Candidatus Jidaibacter" — Jinshanibacter — Jiulongibacter — [Kaistobacter] — Ketobacter — Koleobacter — "Komagatabacter" — Komagataeibacter — "Konateibacter" — Koreibacter — "Candidatus Koribacter" — [Korobacter] — Krokinobacter — "Candidatus Kryptobacter" — Ktedonobacter corrig. — Ktedonosporobacter — Labilibacter — Lacibacter — Lamprobacter — Laribacter — "Candidatus Latescibacter" — Lawsonibacter — Lentibacter — Lentilitoribacter — Leucobacter — Liberibacter — "Candidatus Liberobacter" — Limibacter — Limnobacter — Limoniibacter — Litoreibacter — Litoribacter — Litoribrevibacter — Longibacter — Lunatibacter — Luteibacter — Luteithermobacter — Luteolibacter — Lutibacter — Lutimaribacter — "Luxibacter" — Lysinibacter — Lysobacter — Mabikibacter — Malaciobacter corrig. — Maledivibacter — Mangrovibacter — Maribacter — Marinisporobacter — Marinobacter — Maripseudobacter — Maritimibacter — "Marseillibacter" — Mediterraneibacter — Melioribacter — "Merdibacter" — "Merdibacter" — "Mergibacter" — Meridianimaribacter — Mesocricetibacter — Mesoflavibacter — Mesohalobacter — [Mesopelagibacter] — Mesophilobacter — Methanobrevibacter — Methanothermobacter — Methylobacter — Methyloceanibacter — Microaerobacter — Microbacter — Miniphocaeibacter corrig. — Miniphocibacter — "Miniphocibacter" — Mizugakiibacter — "Candidatus Moanibacter" corrig. — Mobilisporobacter — Modestobacter — Modicisalibacter — Moheibacter — Mongoliibacter — "Candidatus Monilibacter" — Motilibacter — Mucibacter — Mucilaginibacter — Muribacter — Mycolicibacter — "Myxobacter" — "Natronohydrobacter" — Naxibacter — "Ndongobacter" — "Candidatus Nebulibacter" corrig. — "Candidatus Nebulobacter" — Necropsobacter — "Neglectibacter" — Neptuniibacter — Nesiotobacter — Nguyenibacter — Nibribacter — "Nissabacter" — Nitrobacter — Nitrogeniibacter — Notoacmeibacter — "Candidatus Obscuribacter" — Occallatibacter — "Candidatus Occultibacter" corrig. — "Candidatus Occultobacter" — Oceanobacter — Octadecabacter — Odoribacter — Oecophyllibacter — Oharaeibacter — Oleibacter — Oleisolibacter — Olivibacter — Ornithinibacter — Oryzisolibacter — Oryzobacter — Oscillibacter — Otariodibacter — "Candidatus Ovatibacter" corrig. — "Candidatus Ovibacter" corrig. — "Candidatus Ovobacter" — Oxalobacter — Oxobacter — "Candidatus Paceibacter" — Pacificibacter — "Pajaroellobacter" — Paludibacter — Panacibacter — Pannonibacter — Papillibacter — "Candidatus Paracaedibacter" — "Candidatus Parcunitrobacter" — Parvibacter — Parviterribacter — Patulibacter — Paucibacter — Paucihalobacter — Pedobacter — "Candidatus Pelagibacter" — "Pelagiobacter" — Pelobacter — Peptoanaerobacter — Peredibacter — Perexilibacter — "Candidatus Peribacter" — Permianibacter — Persicobacter — Perspicuibacter — Petrobacter — Petrothermobacter — Phaeobacter — Phaeocystidibacter — Phaeodactylibacter — "Candidatus Phaeomarinibacter" corrig. — "Candidatus Phaeomarinobacter" — Phaseolibacter — "Candidatus Phloeobacter" corrig. — "Candidatus Phlomobacter" — Phnomibacter — Phocoenobacter — "Phoenicibacter" — [Photobacter] — Phragmitibacter — Phreatobacter — Phytobacter — "Piezobacter" — "Pigmentibacter" — Pilibacter — Pimelobacter — Pinibacter — Pinisolibacter — Piscinibacter — Plantibacter — Pluralibacter — Pokkaliibacter — Polaribacter — "Polycladidibacter" — Polymorphobacter — Polynucleobacter — Pontibacter — Pontibrevibacter — Pontixanthobacter — "Populibacter" — Porphyrobacter — Portibacter — Poseidonibacter — Povalibacter — Primorskyibacter — "Candidatus Procaibacter" corrig. — Profundibacter — Prolixibacter — Propionibacter — Prosthecobacter — Protaetiibacter — "Protaminobacter" — "Candidatus Protistibacter" corrig. — "Candidatus Protistobacter" — Pseudarcobacter corrig. — Pseudoarcobacter — Pseudobacter — [Pseudogluconobacter] — Pseudoramibacter — Psychrobacter — Psychromarinibacter — Pulveribacter — Pusillibacter — Puteibacter — Putridiphycobacter — "Pygmaiobacter" — Pyramidobacter — Pyruvatibacter — Ramlibacter — "Raoultibacter" — Rarobacter — Rathayibacter — Ravibacter — [Renobacter] — "Candidatus Repentibacter" corrig. — Reticulibacter — Rhabdobacter — "Rhabdonatronobacter" — Rhizobacter — Rhodanobacter — Rhodobacter — Rhodocaloribacter — Rhodohalobacter — Rivibacter — Rodentibacter — Roseinatronobacter — Roseisolibacter — Roseobacter — Rubidibacter — Rubneribacter — Rubrobacter — Rudaibacter — Rufibacter — Rugosibacter — Ruminobacter — "Ruminofilibacter" — Sabulibacter — Sabulilitoribacter — Saccharibacter — "Candidatus Saccharibacter" — Saccharobacter — Salegentibacter — Salibacter — Salicibibacter — Salifodinibacter — Salilacibacter — Salimesophilobacter — Salinibacter — "Candidatus Salinibacter" — Salsipaludibacter — "Sandaracinobacter" — Sanguibacter — Saxeibacter — "Scatolibacter" — Sedimentibacter — Sediminibacter — Segetibacter — "Selenihalanaerobacter" — Serinibacter — Siccibacter — Silicibacter — "Sinanaerobacter" — Sinisalibacter — Sinobacter — Siphonobacter — "Candidatus Solibacter" — Specibacter — "Spelaeibacter" — Sphaerobacter — Sphingosinithalassobacter — Spiribacter — Spodiobacter — Spongiibacter — Sporanaerobacter — Sporobacter — Sporohalobacter — Stenothermobacter — Stenotrophobacter — Stenoxybacter — Steroidobacter — Stibiobacter — Subsaxibacter — "Sufflavibacter" — "Sulfidibacter" — Sulfitobacter — "Candidatus Sulfomarinibacter" — "Candidatus Sulfopaludibacter" — "Candidatus Sulfotelmatobacter" — "Candidatus Sulfuripaludibacter" corrig. — "Candidatus Sulfuritelmatobacter" corrig. — "Superficieibacter" — "Candidatus Symbiobacter" — Syntrophobacter — Tahibacter — Tamilnaduibacter — "Tardibacter" — "Taxeobacter" — "Taxeobacter" — Tectibacter — Telluribacter — Telmatobacter — Temperatibacter — Tenebrionibacter — Tengunoibacter — "Candidatus Tenuibacter" — Tepidanaerobacter — Tepidibacter — Teredinibacter — Terrabacter — Terrimesophilobacter — Terrisporobacter — Testudinibacter — Tetrathiobacter — Thalassobacter — "Thalassobacter" — Thermaerobacter — Thermoanaerobacter — "Candidatus Thermochlorobacter" — Thermoflexibacter — Thermohalobacter — Thermolithobacter — "Candidatus Thermonerobacter" — Thermophilibacter — Thermosediminibacter — Thermosulfidibacter — Thioalkalibacter — Thiobacter — Thiohalobacter — Thiosulfatihalobacter — "Tidjanibacter" — Tractidigestivibacter — Trichlorobacter — Tritonibacter — Tropicibacter — "Candidatus Turbibacter" corrig. — Turicibacter — "Candidatus Udaeobacter" — Ulvibacter — Umboniibacter — Ursidibacter — Usitatibacter — Variibacter — Variimorphobacter — "Venatorbacter" — Verminephrobacter — Vespertiliibacter — "Candidatus Viadribacter" — Vicinamibacter — Vineibacter — Vitellibacter — Volucribacter — Vulgatibacter — "Candidatus Wirthibacter" — Wukongibacter — Xanthobacter — "Candidatus Xiphinematobacter" — Xylanibacter — Youngiibacter — Zeaxanthinibacter — Zymobacter
Alkalicaulis — Asticcacaulis — "Candidatus Bipolaricaulis" — "Euryhalocaulis" — Glycocaulis — Maricaulis — Marinicaulis — Oceanicaulis — Ponticaulis — Sulfuricaulis — Tepidicaulis — Terricaulis
"Candidatus Absconditicoccus" — Absicoccus — Abyssicoccus — Acidaminococcus — Acuticoccus — Aegeococcus — Aerococcus — Aestuariicoccus — Aggregicoccus — Agilicoccus — Agitococcus — Agrococcus — [Albococcus] — Algicoccus — Aliicoccus — Alkalicoccus — Alloiococcus — Alterococcus — Amaricoccus — Amycolicicoccus — Anaerococcus — Angiococcus — Antricoccus — Aplococcus — Aquicoccus — Arachidicoccus — Arboricoccus corrig. — Arsenicicoccus — [Ascococcus] — [Asterococcus] — Atopococcus — Auraticoccus — Aureicoccus — Auricoccus — Bavariicoccus — "Bilophococcus" — Blastococcus — "Brevicoccus" — Butyricicoccus — "Caldococcus" — "Carnococcus" — Catellicoccus — Catenococcus — "Cephaloticoccus" — Cerasicoccus — Chaetococcus — Chelatococcus — "Chondrococcus" — Chroococcus — Citreicoccus — Citricoccus — Closteriococcus — Compactococcus — Coprococcus — Corallococcus — Corticicoccus — Craurococcus — Crenalkalicoccus — Croceicoccus — Cyanococcus — Defluviicoccus corrig. — Deinococcus — Dermacoccus — Desulfococcus — Desulfurococcus — "Didymococcus" — [Diplococcus] — "Doliumcoccus" — Dolosicoccus — Egicoccus — Enteractinococcus — Enterococcus — Eremococcus — "Exococcus" — Faecalicoccus — Fervidicoccus — Floricoccus — Fluviicoccus — Frisingicoccus — Fundicoccus — Geminicoccus — Granulicoccus — Granulosicoccus — Halalkalicoccus — Halegenticoccus — Halococcus — Halomethanococcus — Halomicrococcus — Helcococcus — Heterocyanococcus — Humicoccus — [Hyalococcus] — Hydrococcus — Hyellococcus — Hyphococcus — Ignicoccus — Indiicoccus — "Inmanicoccus" — Innacoccus — Jeotgalicoccus — Kineococcus — Kytococcus — Lactococcus — "Lacustricoccus" — Lapillicoccus — "Leptococcus" — Libanicoccus — Lichenicoccus — Limnococcus — Lithococcus — Luteococcus — Macrococcus — "Candidatus Magnetaquicoccus" — Magnetococcus — "Magnicoccus" — Mammaliicoccus — Mangrovicoccus — "Maricoccus" — Mariniluteicoccus — Marinococcus — Melissococcus corrig. — Meridianimarinicoccus — "Metallococcus" — Methanimicrococcus corrig. — Methanocaldococcus — Methanococcus — Methanofervidicoccus — Methanomassiliicoccus — Methanothermococcus — Methermicoccus — Methylococcus — Methyloparacoccus — "Methylotetracoccus" — Micrococcus — Mobilicoccus — Mongoliicoccus — Morococcus — Muricoccus — Myxococcus — Natronococcus — Negativicoccus — "Nematococcus" — Neosynechococcus — Nephrococcus — Neptunicoccus — Nibricoccus — Nitrococcus — [Nitrosacidococcus] — Nitrosococcus — Nosocomiicoccus — "Candidatus Nucleicoccus" corrig. — "Candidatus Nucleococcus" — "Oceanicoccus" — Oceanococcus — Oenococcus — Ornithinicoccus — Palaeococcus — Paracoccus — "Parasynechococcus" — Pediococcus — Pedococcus — Pelagicoccus — Peptococcus — Phycicoccus — "Candidatus Pinguicoccus" — Piscicoccus — Pistricoccus — Planococcus — Pleococcus — "Pleurococcus" — Ponticoccus — "Ponticoccus" — "Ponticoccus" — Porticoccus — Prochlorococcus — "Prolificoccus" — "Candidatus Prosiliicoccus" — [Protococcus] — "Pseudosynechococcus" — Puniceicoccus — Pyrococcus — Pyxidicoccus corrig. — Quadricoccus — Quatrionicoccus — "Regnicoccus" — Rhodococcus — Roseococcus — Rubricoccus — Rudaeicoccus — Ruficoccus — Ruminococcus — Saccharococcus — Salinicoccus — "Sediminicoccus" — Segeticoccus — Serinicoccus — Siccirubricoccus — "Siderococcus" — Simulacricoccus — Sinococcus — Smaragdicoccus — Spelaeicoccus — Staphylococcus — Stomatococcus — "Stomatostreptococcus" — Streptococcus — Suicoccus — Sulfodiicoccus — Sulfophobococcus — "Sulfuriroseicoccus" — Sulfurococcus — Synechococcus — Syntrophococcus — Tamlicoccus — Teichococcus — Terracoccus — Tersicoccus — Tessaracoccus — "Tetracoccus" — Tetragenococcus — Thalassococcus — "Thaumococcus" — Thermococcus — "Thermosynechococcus" — Thioalkalicoccus corrig. — Thiococcus — "Thioflavicoccus" — Thiophaeococcus — Thiorhodococcus — Trichococcus — "Urinacoccus" — "Urinicoccus" — "Urinicoccus" — "Urococcus" — Vagococcus — Vallicoccus — "Vampirococcus" — "Vulcanococcus" — Xenococcus
Ammonifex — Aquifex — Bullifex — Floccifex — Sulfuracidifex
Alkaliflexus — Chloroflexus — Flaviflexus — [Lithoflexus] — Mangroviflexus — "Candidatus Moduliflexus" — Natronoflexus — Oligoflexus — Psychroflexus — Roseiflexus — Sulfuriflexus — Thermoflexus
Anaeroglobus — "Candidatus Anammoxiglobus" corrig. — "Candidatus Anammoxoglobus" — Archaeoglobus — Chryseoglobus — Ereboglobus — Ferroglobus — Fimbriiglobus — Frigoriglobus — Geoglobus — Halioglobus — Limihaloglobus — Limnoglobus — "Candidatus Magnetoglobus" — Monoglobus — "Candidatus Nitrosoglobus" — Oceaniglobus — Pisciglobus — "Candidatus Pseudothioglobus" — Rariglobus — Rhodoglobus — Terriglobus — Thalassoglobus — "Candidatus Thioglobus"
Acidilobus — Desulfurolobus — Methanolobus — "Methylolobus" — Nitrosolobus — Pyrolobus — Saccharolobus — Stygiolobus — Sulfolobus
Alkalimarinus — "Candidatus Altimarinus" — "Candidatus Arcomarinus" — "Dechloromarinus" — Gilvimarinus — "Candidatus Nitrosomarinus" — Roseimarinus
Algiphilus — Alicycliphilus — Alkalihalophilus — Alkaliphilus — Aminiphilus — Ammoniphilus — "Candidatus Amoebophilus" — "Anaerophilus" — Anaerosacchariphilus — "Aquaphilus" — Azorhizophilus — "Candidatus Benitsuchiphilus" — Carbophilus — Chitiniphilus — "Candidatus Cochliophilus" — "Candidatus Cochliopodiiphilus" corrig. — "Candidatus Curculioniphilus" — [Dasytiphilus] — Dermatophilus — "Dermatophilus" — "Desulfohalophilus" — "Fucophilus" — "Candidatus Gastranaerophilus" — Gelatiniphilus — Haemophilus corrig. — Halioxenophilus — "Heminiphilus" — "Candidatus Hemipteriphilus" — Hemophilus — Histophilus — Hydrogenophilus — Luminiphilus — Methanohalophilus — "Candidatus Methanomethylophilus" — "Methylophilus" — Methylophilus — "Candidatus Methyloumidiphilus" — "Candidatus Methylumidiphilus" corrig. — Muriiphilus — Nitrosophilus — Novimethylophilus — Oleiphilus — "Candidatus Parastrichiiphilus" corrig. — Peptoniphilus — Picrophilus — Poritiphilus — Sodaliphilus — Streptacidiphilus — Tepidiphilus — Terracidiphilus — "Terrahaemophilus" — Thermosulfuriphilus — Thiohalophilus — Tonsilliphilus — "Vermiphilus" — Xenophilus — Xylophilus — Zymophilus
"Candidatus Amyloruptor" corrig. — Caldicellulosiruptor — "Caldinitratiruptor" — Nitratiruptor — Nitriliruptor
Anaerosinus — Desulfosporosinus — Ectothiorhodosinus — Methylosinus — Pelosinus — "Psychrosinus" — Thermosinus
Patiriisocius — "Candidatus Phycosocius" — "Thiosocius" — "Candidatus Vesicomyidisocius" corrig. — "Candidatus Vesicomyosocius"
"Alginovibrio" — Aminivibrio — Azovibrio — Calditerrivibrio — Chitinivibrio — "Deferrivibrio" — Desulfurivibrio — Falcivibrio — Geovibrio — Lactivibrio — Magnetovibrio — "Marinovibrio" — Marivibrio — "Methylosporovibrio" — "Nitrosovibrio" — Phaeovibrio — Pleomorphovibrio — "Candidatus Roseivibrio" corrig. — "Candidatus Roseovibrio" — Salinivibrio — "Sporovibrio" — Thaumasiovibrio — Thermanaerovibrio — "Candidatus Thermomagnetovibrio" — Thermovibrio — Thiosulfativibrio — Venenivibrio — Vibrio