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The nomenclature and classification used here for prokaryotes (=Bacteria) |
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| Example genus |
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| NEGIBACTERIA (subkingdom) |
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| Glidobacteria |
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| Eobacteria |
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| Chlorobacteria* |
Chloroflexi; green non-sulphur |
Chloroflexus |
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| Hadobacteria |
Deinococcus/Thermus group |
Thermus |
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| Cyanobacteria |
Nostoc |
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| Gracilicutes |
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| Spirochaetae |
Spirochaetes |
Treponema |
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| Sphingobacteria |
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| Chlorobea |
Chlorobi |
Chlorobium |
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| Flavobacteria |
CFB group + Fibrobacteres |
Cytophaga |
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| Exoflagellata |
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| Proteobacteria |
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| Rhodobacteria |
α-, β-, γ-proteobacteria |
Escherichia |
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| Thiobacteria |
δ-, ε-proteobacteria + Aquificales |
Helicobacter |
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| Geobacteria |
Deferribacteres + Acidobacteria + |
Geovibrio |
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| Planctobacteria |
Planctomycetes + Chlamydiales + |
Pirellula |
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| Eurybacteria |
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| Selenobacteria |
Sporomusa |
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| Fusobacteria |
Fusobacterium |
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| Togobacteria |
Thermotogales |
Thermotoga |
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| UNIBACTERIA (subkingdom) |
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| Posibacteria |
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| Endobacteria |
low-GC Gram positives (incl. Mollicutes) |
Bacillus |
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| Actinobacteria |
high-GC Gram positives (e.g. Actinomycetales) |
Streptomyces |
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| Archaebacteria |
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| Euryarchaeota |
euryarchaeotes (e.g. methanogens) |
Halobacterium |
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| Crenarchaeota |
crenarchaeotes |
Sulfolobus |
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* The 10 taxa shown in bold are ranked as phyla. A more detailed classification is given later in the paper, when I explain the small improvements over the previous system [1]. In addition to the taxa listed, three informal names are used for the following higher groups: glycobacteria (a paraphyletic grade) = Cyanobacteria + Eurybacteria + Gracilicutes proteates (a clade) = Actinomycetales + Archaebacteria + Eukaryota neomura (a clade) = Archaebacteria + Eukaryota | |||
Cavalier-Smith Biology Direct 2006 1:19 doi:10.1186/1745-6150-1-19 |
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