Eukaryotes (真核生物) (190)

 Prokaryotes (原核生物) (2477)

   Bacteria (真正細菌) (2324)

     Gammaproteobacteria (ガンマプロテオバクテリア) (498)

     Betaproteobacteria (ベータプロテオバクテリア) (145)

     Epsilonproteobacteria (イプシロンプロテオバクテリア) (90)

     Deltaproteobacteria (デルタプロテオバクテリア) (57)

     Alphaproteobacteria (アルファプロテオバクテリア) (238)

     Other proteobacteria (その他のプロテオバクテリア) (1)

     Chrysiogenetes (1)

     Firmicutes (グラム陽性菌) (523)

       Bacillus (バチルス, 枯草菌, 炭疽菌, セレウス菌) (71)

       Oceanobacillus (1)

       Geobacillus (10)

       Anoxybacillus (1)

       Amphibacillus (1)

       Staphylococcus (スタフィロコッカス, ブドウ球菌) (43)

       Listeria (リステリア) (31)

       Lysinibacillus (1)

       Halobacillus (1)

       Exiguobacterium (3)

       Macrococcus (1)

       Brevibacillus (1)

       Paenibacillus (9)

       Thermobacillus (1)

       Alicyclobacillus (2)

       Kyrpidia (1)

       Solibacillus (1)

       Lactococcus (ラクトコッカス, 乳酸菌) (11)

       Streptococcus (ストレプトコッカス, レンサ球菌) (102)

       Lactobacillus (48)

       Pediococcus (2)

       Enterococcus (11)

       Melissococcus (2)

       Tetragenococcus (1)

       Oenococcus (1)

       Leuconostoc (8)

       Aerococcus (1)

       Carnobacterium (2)

       Weissella (1)

       Clostridium (クロストリジウム, 破傷風菌, ウェルシュ菌) (45)

       Filifactor (1)

       Alkaliphilus (2)

       Arthromitus (3)

       Symbiobacterium (1)

       Syntrophomonas (1)

       Syntrophothermus (1)

       Desulfitobacterium (4)

       Desulfotomaculum (6)

       Pelotomaculum (1)

       Desulforudis (1)

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       Desulfosporosinus (3)

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       Heliobacterium (1)

       Finegoldia (1)

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       Eubacterium (7)

       Acetobacterium (1)

       Butyrivibrio (2)

       Cellulosilyticum (1)

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       Ethanoligenens (1)

       Ruminococcus (6)

       Faecalibacterium (2)

       Oscillibacter (1)

       Thermaerobacter (1)

       Sulfobacillus (2)

       Unclassified Clostridiales (4)

       Thermoanaerobacter (8)

       Carboxydothermus (1)

       Tepidanaerobacter (2)

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       Ammonifex (1)

       Thermacetogenium (1)

       Caldicellulosiruptor (8)

       Thermosediminibacter (1)

       Thermoanaerobacterium (4)

       Coprothermobacter (1)

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       Mahella (1)

       Natranaerobius (1)

       Halothermothrix (1)

       Halanaerobium (2)

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       Halobacteroides (1)

       Veillonella (1)

       Selenomonas (2)

       Megasphaera (1)

       Megamonas (1)

       Acidaminococcus (2)

       Erysipelothrix (1)

       Unclassified Erysipelotrichaceae (1)

     Tenericutes (テネリキューテス) (71)

     Actinobacteria (アクチノバクテリア, 放線菌) (261)

     Chlamydiae (クラミジア) (89)

     Spirochaetes (スピロヘータ) (54)

     Acidobacteria (アシドバクテリア) (8)

     Bacteroidetes (バクテロイデス) (94)

     Fibrobacteres (フィブロバクテレス) (2)

     Fusobacteria (フソバクテリア) (5)

     Verrucomicrobia (ヴェルコミクロビア) (4)

     Gemmatimonadetes (ゲマティモナス) (1)

     Planctomycetes (プランクトミセス) (7)

     Elusimicrobia (エルシミクロビア) (2)

     Synergistetes (シネルギステス) (5)

     Cyanobacteria (シアノバクテリア) (73)

     Green sulfur bacteria (緑色硫黄細菌) (13)

     Green nonsulfur bacteria (緑色非硫黄細菌) (18)

     Deinococcus-Thermus (デイノコックス・テルムス) (20)

     Hyperthermophilic bacteria (超好熱細菌) (41)

     Unclassified (3)

   Archaea (古細菌) (153)