What Is Bacteria Classification?

This list is based on the classification on the NCBI Taxonomy, which lists the various bacterial categories.

Bacteria classification table

• Acetothermia

• Acetothermiales

• Undefined and environmental samples

• Aerophobae

• Aerophobales

• Undefined and environmental samples

• Solibacteres

• Solibacterales

• Environmental sample

• Holophagae

• Acanthopleuribacterales

• Holophagales

• Environmental sample

• Acidobacteria

• Acidobacteriales

• Environmental sample

• Undefined and environmental samples

• Actinobacteria

• Acidi microbiales

• Coriobacteriales

• Nitriliruptorales

• Euzebyales

• Gaiellales

• Rubrobacterales

• Solirubrobacterales

• Thermoleophilales

• Bifidobacteriales

• Actinomycetales

• Actinomarinales

• Unspecified and environmental samples

• Aminicenanae

• Aminicenanales

• Undefined and environmental samples

• Fimbriimonadia

• Fimbriimonadales

• Armatimonadia

• Armatimonadales

• Environmental sample

• Chthonomonadetes

• Chthonomonadales

• Undefined and environmental samples

• Aquificae

• Aquificales

• Environmental sample

• Caldatribacteria

• Caldatribacteiriales

• Bacteroidia

• Bacteroidales

• Unspecified and environmental samples

• Cytophagia

• Cytophagales

• Environmental sample

• Flavobacteriia

• Flavobacteriales

• Unspecified and environmental samples

• Sphingobacteriia

• Sphingobacteriales

• Unspecified and environmental samples

• Undefined and environmental samples

• Calescibacteria

• Calescibacteriales

• Undefined and environmental samples

• Caldisericia

• Caldisericales

• Undefined and environmental samples

• Chlamydiae

• Chlamydiales

• Chlorobia

• Chlorobiales

• Unspecified and environmental samples

• Ignavibacteria

• Ignavibacteriales

• Dehalococcoidia

• Dehalococcoidales

• Unspecified and environmental samples

• Anaerolineae

• Anaerolineales

• Unspecified and environmental samples

• Ardenticatenia

• Ardenticatenales

• Caldilineae

• Caldilineales

• Unspecified and environmental samples

• Ktedonobacteria

• Thermogemmatisporales

• Ktedonobacterales

• Unspecified and environmental samples

• Thermomicrobia

• Thermomicrobiales

• Sphaerobacterales

• Unspecified and environmental samples

• Chloroflexi

• Herpetosiphonales

• Chloroflexales

• Undefined and environmental samples

• Chrysiogenetes

• Chrysiogenales

• Environmental sample

• Cyanophyte

• Chroococcales

• Oscillatoriales

• Nostocales

• Pleurocapsales

• Stigonematales

• Unspecified and environmental samples

• Prochlorophyte

• Prochlorales

• Cloacimonae

• Cloacimonales

• Undefined and environmental samples

• Deferribacteres

• Deferribacterales

• Unspecified and environmental samples

• Deinococci

• Deinococcales

• Thermococcales

• Environmental sample

• Undefined and environmental samples

• Dictyoglomi

• Dictyoglomales

• Environmental sample

• Elusimicrobia

• Elusi microbiales

• Environmental sample

• Endomicrobia

• Endo microbiales

• Environmental sample

• Fervidibacteria

• Fervidibacteriales

• Undecided

• Fibrobacteres

• Fibrobacterales

• Environmental sample

• Bacilli

• Bacillales

• Lactobacillales

• Unspecified and environmental samples

• Clostridia

• Clostridiales

• Halanaerobiales

• Natranaerobiales

• Thermoanaerobacterales

• Unspecified and environmental samples

• Erysipelotrichia

• Erysipelotrichales

• Environmental sample

• Mollicutes

• Acholeplasmatales

• Anaeroplasmatales

• Entomoplasmatales

• Haloplasmatales

• Mycoplasmatales

• Unspecified and environmental samples

• Negativicutes

• Selenomonadales

• Environmental sample

• Thermolithobacteria

• Thermolithobacterales

• Synergistia

• Synergistales

• Environmental sample

• Undefined and environmental samples

• Fusobacteria

• Fusobacteriales

• Undefined and environmental samples

• Gemmatimonadetes

• Gemmatimonadales

• Undecided

• Undefined and environmental samples

• Gracilibacteria

• Gracilibacteriales

• Undefined and environmental samples

• Hydrogenedenae

• Hydrogenedenales

• Undefined and environmental samples

• Latescibacteria

• Latescibacteriales

• Undefined and environmental samples

• Lentisphaeria

• Lentisphaerales

• Victivallales

• Oligosphaeria

• Oligosphaerales

• Undefined and environmental samples

• Microgenomata

• Microgenomatales

• Undefined and environmental samples

• Nitrospira

• Nitrospirales

• Unspecified and environmental samples

• Omnitropha

• Omnitrophales

• Undefined and environmental samples

• Parcubacteria

• Parcubacteriales

• Undefined and environmental samples

• Phycisphaerae

• Phycisphaerales

• Environmental sample

• Planctomycetia

• Planctomycetales

• Brocadiales

• Unspecified and environmental samples

• Undecided

• Deltaproteobacteria

• Bdellovibrionales

• Desulfarcales

• Desulfobacterales

• Desulfovibrionales

• Desulfurellales

• Desulfuromonadales

• Myxococcales

• Syntrophobacterales

• Unspecified and environmental samples

• Epsilonproteobacteria

• Nautiliales

• Campylobacterales

• Unspecified and environmental samples

• Alphaproteobacteria

• Caulobacterales

• Kiloniellales

• Kopriimonadales

• Kordiimonadales

• Magnetococcales

• Parvularculales

• Rhizobiales

• Rhodobacterales

• Rhodospirillales

• Rickettsiales

• Sneathiellales

• Sphingomonadales

• Unspecified and environmental samples

• Zetaproteobacteria

• Mariprofundales

• Unspecified and environmental samples

• Gammaproteobacteria

• Acidithiobacillales

• Aeromonadales

• Alteromonadales

• Cardiobacteriales

• Chromatiales

• Enterobacteriales

• Legionellales

• Methylococcales

• Oceanospirillales

• Orbales

• Pasteurellales

• Pseudomonadales

• Salinisphaerales

• Thiotrichales

• Vibrionales

• Xanthomonadales

• Unspecified and environmental samples

• Betaproteobacteria

• Burkholderiales

• Ferritrophicales

• Ferrovales

• Gallionellales

• Hydrogenophilales

• Methylophilales

• Neisseriales

• Nitrosomonadales

• Procabacteriales

• Rhodocyclales

• Unspecified and environmental samples

• Undefined and environmental samples

• Saccharibacteria

• Saccharibacteriales

• Borrelia

• Spirochaetes

• Spirochaetales

• Environmental sample

• Undecided

• Thermodesulfobacteria

• Thermodesulfobacteriales

• Environmental sample

• Thermotogae

• Thermotogales

• Environmental sample

• Undecided

• Opitutae

• Opitutales

• Puniceicoccales

• Unspecified and environmental samples

• Verrucomicrobiae

• Verruco microbiales

• Environmental sample

• Spartobacteria

• Chthoniobacterales

• Unspecified and environmental samples

• Undefined and environmental samples