Phylum "Chlamydiae"
Class Chlamydiae
Order Chlamydiales
Family Chlamydiaceae
Chlamydia - Chlamydophila
Family Parachlamydiaceae
Neochlamydia - Parachlamydia
Family Simkaniaceae
Simkania
Family Waddliaceae
Waddlia
Phylum "Chlorobi"
Class "Chlorobia" or Chlorobea
Order Chlorobiales
Family Chlorobiaceae
Ancalochloris - Chlorobaculum - Chlorobium - Chloroherpeton - Pelodictyon - Prosthecochloris
Phylum "Chloroflexi"
Class Anaerolineae
Order Anaerolineales
Family Anaerolineaceae
Anaerolinea - Bellilinea - Leptolinea - Levilinea - Longilinea
Class Caldilineae
Order Caldilineales
Family Caldilineaceae
Caldilinea
Class "Chloroflexi"
Order "Chloroflexales"
Family "Chloroflexaceae"
Chloroflexus - Chloronema - Heliothrix - Roseiflexus
Family Oscillochloridaceae
Oscillochloris
Order "Herpetosiphonales"
Family "Herpetosiphonaceae"
Herpetosiphon
Phylum "Chrysiogenetes"
Class Chrysiogenetes
Order Chrysiogenales
Family Chrysiogenaceae
Chrysiogenes
Phylum "Cyanobacteria"
Phylum "Deferribacteres"
Class Deferribacteres
Order Deferribacterales
Family Deferribacteraceae
Deferribacter - Denitrovibrio - Flexistipes - Geovibrio - Mucispirillum
Unclassified Deferribacterales
Caldithrix - Synergistes
Phylum "Deinococcus-Thermus"
Class Deinococci
Order Deinococcales
Family Deinococcaceae
Deinobacter - Deinococcus
Family Trueperaceae
Truepera
Order Thermales
Family Thermaceae
Marinithermus - Meiothermus - Oceanithermus - Thermus - Vulcanithermus
Phylum "Dictyoglomi"
Class "Dictyoglomi"
Order "Dictyoglomales"
Family "Dictyoglomaceae"
Dictyoglomus
Phylum "Fibrobacteres"
Class "Fibrobacteres"
Order "Fibrobacterales"
Family "Fibrobacteraceae"
Fibrobacter
Phylum "Firmicutes"
Class "Bacilli"
Order Bacillales
Family "Alicyclobacillaceae"
Alicyclobacillus - Pasteuria - Sulfobacillus
Family Bacillaceae
Alkalibacillus - Amphibacillus - Anoxybacillus - Bacillus - Caldalkalibacillus - Cerasibacillus - Exiguobacterium - Filobacillus - Geobacillus - Gracilibacillus - Halalkalibacillus - Halobacillus - Halolactibacillus - Jeotgalibacillus - Lentibacillus - Lysinibacillus - Marinibacillus - Oceanobacillus - Ornithinibacillus - Paraliobacillus - Paucisalibacillus - Pelagibacillus - Piscibacillus - Pontibacillus - Saccharococcus - Salibacillus - Salimicrobium - Salinibacillus - Salirhabdus - Salsuginibacillus - Tenuibacillus - Terribacillus - Thalassobacillus - Ureibacillus - Virgibacillus - Vulcanibacillus
Family Caryophanaceae
Caryophanon
Family "Listeriaceae"
Brochothrix - Listeria
Family "Paenibacillaceae"
Ammoniphilus - Aneurinibacillus - Brevibacillus - Cohnella - Oxalophagus - Paenibacillus - Thermicanus - Thermobacillus
Family Planococcaceae
Filibacter - Kurthia - Planococcus - Planomicrobium - Sporosarcina
Family "Sporolactobacillaceae"
Marinococcus - Sinococcus - Sporolactobacillus - Tuberibacillus
Family "Staphylococcaceae"
Gemella - Jeotgalicoccus - Macrococcus - Salinicoccus - Staphylococcus
Family Thermoactinomycetaceae
Laceyella - Mechercharimyces - Planifilum - Seinonella - Shimazuella - Thermoactinomyces - Thermoflavimicrobium
Family "Turicibacteraceae"
Turicibacter
Unclassified Bacillales
Pullulanibacillus - Viridibacillus
Order "Lactobacillales"
Family "Aerococcaceae"
Abiotrophia - Aerococcus - Dolosicoccus - Eremococcus - Facklamia - Globicatella - Ignavigranum
Family "Carnobacteriaceae"
Agitococcus - Alkalibacterium - Allofustis - Alloiococcus - Atopococcus - Atopostipes - Carnobacterium - Desemzia - Dolosigranulum - Granulicatella - Isobaculum - Lactosphaera - Marinilactibacillus - Trichococcus
Family "Enterococcaceae"
Atopobacter - Catellicoccus - Enterococcus - Melissococcus - Pilibacter - Tetragenococcus - Vagococcus
Family Lactobacillaceae
Lactobacillus - Paralactobacillus - Pediococcus
Family "Leuconostocaceae"
Leuconostoc - Oenococcus - Weissella
Family Oscillospiraceae
Oscillibacter - Oscillospira
Family Streptococcaceae
Lactococcus - Lactovum - Streptococcus
Unclassified "Lactobacillales"
Acetoanaerobium - Syntrophococcus
Class "Clostridia"
Order ClostridialesFamily Clostridiaceae
Acetanaerobacterium - Acetivibrio - Acidaminobacter - Alkaliphilus - Anaerobacter - Anaerosporobacter - Anaerotruncus - Anoxynatronum - Bryantella - Caloramator - Caloranaerobacter - Caminicella - Clostridium - Coprobacillus - Dorea - Ethanoligenens - Faecalibacterium - Fastidiosipila - Garciella - Gracilibacter - Guggenheimella - Hespellia - Lactonifactor - Natronincola - Oxobacter - Parasporobacterium - Sarcina - Soehngenia - Sporacetigenium - Sporobacter - Subdoligranulum - Tepidibacter - Tepidimicrobium - Thermobrachium - Thermohalobacter - Tindallia
Family "Eubacteriaceae"
Acetobacterium - Alkalibacter - Anaerofustis - Anaerovorax - Eubacterium - Mogibacterium - Pseudoramibacter
Family "Heliobacteriaceae"
Heliobacillus - Heliobacterium - Heliophilum - Heliorestis
Family "Lachnospiraceae"
Acetitomaculum - Anaerofilum - Anaerostipes - Butyrivibrio - Catenibacterium - Catonella - Coprococcus - Johnsonella - Lachnobacterium - Lachnospira - Moryella - Oribacterium - Pseudobutyrivibrio - Roseburia - Ruminococcus - Shuttleworthia - Sporobacterium
Family Peptococcaceae
Carboxydothermus - Cryptanaerobacter - Dehalobacter - Desulfitobacterium - Desulfonispora - Desulfosporosinus - Desulfotomaculum - Desulfurispora - Pelotomaculum - Peptococcus - Syntrophobotulus - Thermincola - Thermoterrabacterium
Family "Peptostreptococcaceae"
Anaerococcus - Filifactor - Finegoldia - Fusibacter - Gallicola - Helcococcus - Parvimonas - Peptoniphilus - Peptostreptococcus - Sedimentibacter - Sporanaerobacter - Tissierella
Family Syntrophomonadaceae
Aminiphilus - Aminobacterium - Aminomonas - Anaerobaculum - Anaerobranca - Caldicellulosiruptor - Carboxydocella - Dethiosulfovibrio - Pelospora - Syntrophomonas - Syntrophospora - Syntrophothermus - Thermaerobacter - Thermanaerovibrio - Thermohydrogenium - Thermosyntropha - Thermovirga
Family Veillonellaceae
Acetonema - Acidaminococcus - Allisonella - Anaeroarcus - Anaeroglobus - Anaeromusa - Anaerosinus - Anaerovibrio - Centipeda - Dendrosporobacter - Dialister - Megamonas - Megasphaera - Mitsuokella - Papillibacter - Pectinatus - Pelosinus - Phascolarctobacterium - Propionispira - Propionispora - Quinella - Schwartzia - Selenomonas - Sporomusa - Sporotalea - Succiniclasticum - Succinispira - Thermosinus - Veillonella - Zymophilus
Unclassified Clostridiales
Anaerovirgula - Dethiosulfatibacter - Geosporobacter - Howardella
Order Halanaerobiales
Family Halanaerobiaceae
Halanaerobium - Halocella - Haloincola - Halothermothrix
Family Halobacteroidaceae
Acetohalobium - Halanaerobacter - Halobacteroides - Halonatronum - Natroniella - Orenia - Selenihalanaerobacter - Sporohalobacter
Order Natranaerobiales
Family Natranaerobiaceae
Natranaerobius
Order "Thermoanaerobacteriales"
Family "Thermoanaerobacteriaceae"
Acetogenium - Ammonifex - Caldanaerobacter - Carboxydibrachium - Coprothermobacter - Desulfovirgula - Gelria - Mahella - Moorella - Sporotomaculum - Tepidanaerobacter - Thermacetogenium - Thermanaeromonas - Thermoanaerobacter - Thermoanaerobacterium - Thermoanaerobium - Thermobacteroides - Thermosediminibacter - Thermovenabulum
Family Thermodesulfobiaceae
Thermodesulfobium
Unclassified Clostridia Desulfitibacter - Symbiobacterium
Class Mollicutes: see Phylum "Tenericures"
Class Thermolithobacteria
Order Thermolithobacterales
Family Thermolithobacteraceae
Thermolithobacter
Phylum "Fusobacteria"
Class "Fusobacteria"
Order "Fusobacteriales"
Family "Fusobacteriaceae"
Fusobacterium - Ilyobacter - Leptotrichia - Propionigenium - Sebaldella - Sneathia - Streptobacillus
Unclassified "Fusobacteriales"
Cetobacterium
Phylum "Gemmatimonadetes"
Class Gemmatimonadetes
Order Gemmatimonadales
Family Gemmatimonadaceae
Gemmatimonas
Phylum "Lentisphaerae"
Class "Lentisphaerae"
Order Lentisphaerales
Family "Lentisphaeraceae"
Lentisphaera
Order Victivallales
Family "Victivallaceae"
Victivallis
Phylum "Nitrospira" or "Nitrospirae"
Class "Nitrospira"
Order "Nitrospirales"
Family "Nitrospiraceae"
Leptospirillum - Nitrospira - Thermodesulfovibrio
Phylum "Planctomycetes" or "Planctobacteria"
Class "Planctomycetacia" or Planctomycea
Order Planctomycetales
Family Planctomycetaceae
Blastopirellula - Gemmata - Isosphaera - Pirellula - Planctomyces - Rhodopirellula - Schlesneria
Phylum "Proteobacteria"
Class Alphaproteobacteria
Order Caulobacterales
Family Caulobacteraceae
Asticcacaulis - Brevundimonas - Caulobacter - Phenylobacterium
Order Kordiimonadales
Family "Kordiimonadaceae"
Kordiimonas
Order "Parvularculales"
Family "Parvularculaceae"
Parvularcula
Order Rhizobiales
Family "Aurantimonadaceae"
Aurantimonas - Fulvimarina - Martelella
Family Bartonellaceae
Bartonella - Grahamella - Rochalimaea
Family Beijerinckiaceae
Beijerinckia - Chelatococcus - Methylocapsa - Methylocella
Family Bradyrhizobiaceae
Afipia - Agromonas - Balneimonas - Blastobacter - Bosea - Bradyrhizobium - Nitrobacter - Oligotropha - Rhodoblastus - Rhodopseudomonas
Family Brucellaceae
Brucella - Crabtreella - Mycoplana - Ochrobactrum - Pseudochrobactrum
Family Hyphomicrobiaceae
Ancalomicrobium - Angulomicrobium - Aquabacter - Blastochloris - Devosia - Dichotomicrobium - Filomicrobium - Gemmiger - Hyphomicrobium - Methylorhabdus - Pedomicrobium - Prosthecomicrobium - Rhodomicrobium - Rhodoplanes - Seliberia
Family Methylobacteriaceae
Meganema - Methylobacterium - Microvirga - Protomonas
Family Methylocystaceae
Albibacter - Methylocystis - Methylopila - Methylosinus - Pleomorphomonas - Terasakiella
Family Phyllobacteriaceae
Aminobacter - Aquamicrobium - Defluvibacter - Hoeflea - Mesorhizobium - Nitratireductor - Phyllobacterium - Pseudaminobacter
Family Rhizobiaceae
Agrobacterium - Allorhizobium - Carbophilus - Chelatobacter - Ensifer - Kaistia - Rhizobium - Sinorhizobium
Family Rhodobiaceae
Anderseniella - Parvibaculum - Rhodobium - Roseospirillum
Family Xanthobacteraceae
Ancylobacter - Azorhizobium - Labrys - Pseudolabrys - Starkeya - Xanthobacter
Unclassified Rhizobiales
Sneathiella
Order Rhodobacterales
Family Hyphomonadaceae
Hirschia - Hyphomonas - Maricaulis - Oceanicaulis - Robiginitomaculum
Family Rhodobacteraceae
Ahrensia - Albidovulum - Amaricoccus - Antarctobacter - Catellibacterium - Citreicella - Citreimonas - Dinoroseobacter - Donghicola - Gemmobacter - Haematobacter - Jannaschia - Ketogulonicigenium - Labrenzia - Leisingera - Loktanella - Maribius - Marinovum - Maritimibacter - Methylarcula - Nereida - Nesiotobacter - Oceanibulbus - Oceanicola - Octadecabacter - Palleronia - Pannonibacter - Paracoccus - Pelagibaca - Phaeobacter - Pseudorhodobacter - Pseudovibrio - Rhodobaca - Rhodobacter - Rhodothalassium - Rhodovulum - Roseibacterium - Roseibium - Roseicyclus - Roseinatronobacter - Roseisalinus - Roseivivax - Roseobacter - Roseovarius - Rubellimicrobium - Rubrimonas - Ruegeria - Sagittula - Salipiger - Shimia - Silicibacter - Staleya - Stappia - Sulfitobacter - Thalassobacter - Thalassobius - Thalassococcus - Thioclava - Thiosphaera - Wenxinia - Woodsholea - Yangia
Order Rhodospirillales
Family Acetobacteraceae
Acetobacter - Acidicaldus - Acidiphilium - Acidisphaera - Acidocella - Acidomonas - Asaia - Belnapia - Craurococcus - Gluconacetobacter - Gluconobacter - Granulibacter - Kozakia - Muricoccus - Neoasaia - Paracraurococcus - Rhodopila - Rhodovarius - Roseococcus - Roseomonas - Rubritepida - Saccharibacter - Stella - Swaminathania - Teichococcus - Zavarzinia
Family Rhodospirillaceae
Azospirillum - Conglomeromonas - Defluviicoccus - Inquilinus - Magnetospirillum - Phaeospirillum - Rhodocista - Rhodospira - Rhodospirillum - Rhodovibrio - Roseospira - Skermanella - Telmatospirillum - Thalassospira - Tistrella
Order Rickettsiales
Family Anaplasmataceae
Aegyptianella - Anaplasma - Cowdria - Ehrlichia - Neorickettsia - Wolbachia
Family Holosporaceae
Holospora
Family Rickettsiaceae
Orientia - Rickettsia
Unclassified Rickettsiales
Lyticum - Pseudocaedibacter - Symbiotes - Tectibacter
Order Sphingomonadales
Family Erythrobacteraceae
Altererythrobacter - Erythrobacter - Erythromicrobium - Porphyrobacter
Family Sphingomonadaceae
Blastomonas - Erythromonas - Novosphingobium - Rhizomonas (rejected name) - Sandaracinobacter - Sandarakinorhabdus - Sphingobium - Sphingomonas - Sphingopyxis - Sphingosinicella - Zymomonas
Unclassified Alphaproteobacteria Caenispirillum - Insolitispirillum - Novispirillum
Class Betaproteobacteria
Order Burkholderiales
Family Alcaligenaceae
Achromobacter - Advenella - Alcaligenes - Azohydromonas - Bordetella - Brackiella - Castellaniella - Derxia - Kerstersia - Oligella - Pelistega - Pigmentiphaga - Pusillimonas - Sutterella - Taylorella - Tetrathiobacter
Family Burkholderiaceae
Burkholderia - Chitinimonas - Cupriavidus - Lautropia - Limnobacter - Pandoraea - Paucimonas - Polynucleobacter - Ralstonia - Thermothrix - Wautersia
Family Comamonadaceae
Acidovorax - Alicycliphilus - Brachymonas - Caenibacterium - Caldimonas - Comamonas - Curvibacter - Delftia - Diaphorobacter - Giesbergeria - Hydrogenophaga - Hylemonella - Lampropedia - Macromonas - Malikia - Ottowia - Pelomonas - Polaromonas - Ramlibacter - Rhodoferax - Schlegelella - Simplicispira - Variovorax - Xenophilus
Family Oxalobacteraceae
Collimonas - Duganella - Herbaspirillum - Herminiimonas - Janthinobacterium - Massilia - Naxibacter - Oxalicibacterium - Oxalobacter - Telluria - Undibacterium
Unclassified Burkholderiales
Aquabacterium - Aquincola - Ideonella - Leptothrix - Methylibium - Mitsuaria - Paucibacter - Roseateles - Rubrivivax - Sphaerotilus - Tepidicella - Tepidimonas - Thiobacter - Thiomonas - Xylophilus
Order Hydrogenophilales
Family Hydrogenophilaceae
Hydrogenophilus - Petrobacter - Tepidiphilus - Thiobacillus
Order Methylophilales
Family Methylophilaceae
Methylobacillus - Methylophilus - Methylotenera - Methylovorus
Order Neisseriales
Family Neisseriaceae
Alysiella - Andreprevotia - Aquaspirillum - Aquitalea - Bergeriella - Chitinibacter - Chitinilyticum Chromobacterium - Conchiformibius - Deefgea - Eikenella - Formivibrio - Gulbenkiania - Iodobacter - Kingella - Laribacter - Leeia - Microvirgula - Morococcus - Neisseria - Prolinoborus - Silvimonas - Simonsiella - Uruburuella - Vitreoscilla - Vogesella
Order Nitrosomonadales
Family Gallionellaceae
Gallionella
Family Nitrosomonadaceae
Nitrosolobus - Nitrosomonas - Nitrosospira
Family Spirillaceae
Spirillum
Order "Procabacteriales"
Family "Procabacteriaceae"
"Procabacter"
Order Rhodocyclales
Family Rhodocyclaceae
Azoarcus - Azonexus - Azospira - Azovibrio - Dechloromonas - Dechlorosoma - Denitratisoma - Ferribacterium - Methyloversatilis - Propionibacter - Propionivibrio - Quatrionicoccus - Rhodocyclus - Shinella - Sterolibacterium - Thauera - Zoogloea
Class Deltaproteobacteria or Deltabacteria
Order Bdellovibrionales
Family Bacteriovoracaceae
Bacteriovorax - Peredibacter
Family Bdellovibrionaceae
Bdellovibrio - Micavibrio - Vampirovibrio
Order Desulfarculales
Family Desulfarculaceae
Desulfarculus
Order Desulfobacterales
Family Desulfobacteraceae
Desulfatibacillum - Desulfatiferula - Desulfobacter - Desulfobacterium - Desulfobacula - Desulfocella - Desulfococcus - Desulfofaba - Desulfofrigus - Desulfomusa - Desulfonema - Desulforegula - Desulfosarcina - Desulfospira - Desulfotignum
Family Desulfobulbaceae
Desulfobulbus - Desulfocapsa - Desulfofustis - Desulfopila - Desulforhopalus - Desulfotalea
Family Nitrospinaceae
Nitrospina
Order Desulfovibrionales
Family Desulfohalobiaceae
Desulfohalobium - Desulfonatronovibrio - Desulfonauticus - Desulfothermus - Desulfovermiculus
Family Desulfomicrobiaceae
Desulfomicrobium
Family Desulfonatronaceae
Desulfonatronum
Family Desulfovibrionaceae
Bilophila - Desulfomonas - Desulfovibrio - Lawsonia
Order Desulfurellales
Family Desulfurellaceae
Desulfurella - Hippea
Order Desulfuromonadales
Family Desulfuromonadaceae
Desulfuromonas - Desulfuromusa - Malonomonas - Pelobacter
Family Geobacteraceae
Geoalkalibacter - Geobacter - Geopsychrobacter - Geothermobacter - Trichlorobacter
Order Myxococcales
Suborder Cystobacterineae
Family Cystobacteraceae
Anaeromyxobacter - Archangium - Cystobacter - Hyalangium - Melittangium - Stigmatella
Family Myxococcaceae
Angiococcus - Corallococcus - Myxococcus - Pyxidicoccus
Suborder Nannocystineae
Family "Haliangiaceae"
Haliangium
Family Kofleriaceae
Kofleria
Family Nannocystaceae
Enhygromyxa - Nannocystis - Plesiocystis
Suborder Sorangiineae
Family Polyangiaceae
Byssovorax - Chondromyces - Jahnella - Polyangium - Sorangium
Order Syntrophobacterales
Family Syntrophaceae
Desulfobacca - Desulfomonile - Smithella - Syntrophus
Family Syntrophobacteraceae
Desulfacinum - Desulfoglaeba - Desulforhabdus - Desulfovirga - Syntrophobacter - Thermodesulforhabdus
Class Epsilonproteobacteria
Order Campylobacterales
Family Campylobacteraceae
Arcobacter - Campylobacter - Dehalospirillum - Sulfurospirillum
Family Helicobacteraceae
Helicobacter - Sulfuricurvum - Sulfurimonas - Sulfurovum - Thiovulum - Wolinella
Family "Hydrogenimonaceae"
Hydrogenimonas
Order Nautiliales
Family Nautiliaceae
Caminibacter - Lebetimonas - Nautilia - Nitratifractor - Nitratiruptor - Thioreductor
Class Gammaproteobacteria
Order Acidithiobacillales
Family Acidithiobacillaceae
Acidithiobacillus
Family Thermithiobacillaceae
Thermithiobacillus
Order Aeromonadales
Family Aeromonadaceae
Aeromonas - Oceanimonas - Oceanisphaera - Tolumonas - Zobellella
Family Succinivibrionaceae
Anaerobiospirillum - Ruminobacter - Succinimonas - Succinivibrio
Order Alteromonadales
Family Alteromonadaceae
Aestuariibacter - Agarivorans - Alishewanella - Alteromonas - Glaciecola - Marinimicrobium - Marinobacter - Marinobacterium - Microbulbifer - Saccharophagus - Salinimonas
Family Colwelliaceae
Colwellia - Thalassomonas
Family Ferrimonadaceae
Ferrimonas - Paraferrimonas
Family Idiomarinaceae
Idiomarina - Pseudidiomarina
Family Moritellaceae
Moritella
Family Pseudoalteromonadaceae
Algicola - Pseudoalteromonas
Family Psychromonadaceae
Psychromonas
Family Shewanellaceae
Shewanella
Unclassified Alteromonadales
Teredinibacter
Order Cardiobacteriales
Family Cardiobacteriaceae
Cardiobacterium - Dichelobacter - Suttonella
Order Chromatiales
Family Chromatiaceae
Allochromatium - Amoebobacter - Chromatium - Halochromatium - Isochromatium - Lamprobacter - Lamprocystis - Marichromatium - Nitrosococcus - Pfennigia - Rhabdochromatium - Rheinheimera - Thermochromatium - Thioalkalicoccus - Thiobaca - Thiocapsa - Thiococcus - Thiocystis - Thiodictyon - Thioflavicoccus - Thiohalocapsa - Thiolamprovum - Thiopedia - Thiorhodococcus - Thiorhodovibrio - Thiospirillum
Family Ectothiorhodospiraceae
Alkalilimnicola - Alkalispirillum - Aquisalimonas - Arhodomonas - Ectothiorhodosinus - Ectothiorhodospira - Halorhodospira - Natronocella - Nitrococcus - Thioalkalispira - Thioalkalivibrio - Thiorhodospira
Family Halothiobacillaceae
Halothiobacillus - Thiovirga
Order "Enterobacteriales"
Family Enterobacteriaceae
Arsenophonus - Brenneria - Buchnera - Budvicia - Buttiauxella - Calymmatobacterium - Cedecea - Citrobacter - Dickeya - Edwardsiella - Enterobacter - Erwinia - Escherichia - Ewingella - Hafnia - Klebsiella - Kluyvera - Leclercia - Leminorella - Levinea - Moellerella - Morganella - Obesumbacterium - Pantoea - Pectobacterium - Photorhabdus - Plesiomonas - Pragia - Proteus - Providencia - Rahnella - Raoultella - Saccharobacter - Salmonella - Samsonia - Serratia - Shigella - Sodalis - Tatumella - Thorsellia - Trabulsiella - Wigglesworthia - Xenorhabdus - Yersinia - Yokenella
Order Legionellales
Family Coxiellaceae
Aquicella - Coxiella - Rickettsiella
Family Legionellaceae
Fluoribacter - Legionella - Sarcobium - Tatlockia
Order Methylococcales
Family Methylococcaceae
Methylobacter - Methylocaldum - Methylococcus - Methylohalobius - Methylomicrobium - Methylomonas - Methylosarcina - Methylosoma - Methylosphaera - Methylothermus
Order Oceanospirillales
Family Alcanivoracaceae
Alcanivorax - Fundibacter - Kangiella
Family Hahellaceae
Endozoicomonas - Hahella - Halospina - Zooshikella
Family Halomonadaceae
Carnimonas - Chromohalobacter - Cobetia - Deleya - Halomonas - Halotalea - Halovibrio - Modicisalibacter - Salicola - Volcaniella - Zymobacter
Family Litoricolaceae
Litoricola
Family Oceanospirillaceae
Balneatrix - Marinomonas - Marinospirillum - Neptuniibacter - Neptunomonas - Nitrincola - Oceanobacter - Oceanospirillum - Oleispira - Pseudospirillum - Reinekea - Thalassolituus
Family Oleiphilaceae
Oleiphilus
Family "Saccharospirillaceae"
Saccharospirillum
Order Pasteurellales
Family Pasteurellaceae
Actinobacillus - Aggregatibacter - Avibacterium - Bibersteinia - Gallibacterium - Haemophilus - Histophilus - Lonepinella - Mannheimia - Nicoletella - Pasteurella - Phocoenobacter - Volucribacter
Order Pseudomonadales
Family Moraxellaceae
Acinetobacter - Alkanindiges - Branhamella - Enhydrobacter - Moraxella - Psychrobacter
Family Pseudomonadaceae
Azomonas - Azomonotrichon - Azorhizophilus - Azotobacter - Cellvibrio - Chryseomonas - Flavimonas - Mesophilobacter - Pseudomonas - Rhizobacter - Rugamonas - Serpens
Order "Salinisphaerales"
Family "Salinisphaeraceae"
Salinisphaera
Order Thiotrichales
Family Francisellaceae
Francisella
Family Piscirickettsiaceae
Cycloclasticus - Hydrogenovibrio - Methylophaga - Piscirickettsia - Sulfurivirga - Thioalkalimicrobium - Thiomicrospira
Family Thiotrichaceae
Achromatium - Beggiatoa - Leucothrix - Thiobacterium - Thiomargarita - Thioploca - Thiospira - Thiothrix
Unclassified Thiotrichales
Caedibacter - Fangia
Order "Vibrionales"
Family Vibrionaceae
Aliivibrio - Allomonas - Beneckea - Catenococcus - Enterovibrio - Grimontia - Listonella - Lucibacterium - Photobacterium - Salinivibrio - Vibrio
Order Xanthomonadales
Family Xanthomonadaceae
Aquimonas - Arenimonas - Aspromonas - Dokdonella - Dyella - Frateuria - Fulvimonas - Hydrocarboniphaga - Ignatzschineria - Luteibacter - Luteimonas - Lysobacter - Nevskia - Pseudoxanthomonas - Rhodanobacter - Silanimonas - Stenotrophomonas - Thermomonas - Xanthomonas - Xylella
Unclassified Gammaproteobacteria Alkalimonas - Bowmanella - Methylohalomonas - Methylonatrum - Sedimenticola - Solimonas - Thiohalomonas - Thiohalophilus