Eukaryotes (190)

 Prokaryotes (2476)

   Bacteria (2323)

     Gammaproteobacteria (498)

       Escherichia (61)

       Salmonella (30)

       Yersinia (19)

       Shigella (9)

       Pectobacterium (5)

       Erwinia (7)

       Photorhabdus (2)

       Buchnera (13)

       Wigglesworthia (2)

       Sodalis (1)

       Enterobacter (10)

       Cronobacter (4)

       Klebsiella (9)

       Citrobacter (2)

       Serratia (7)

       Proteus (1)

       Edwardsiella (4)

       Blochmannia (4)

       Hamiltonella (1)

       Dickeya (4)

       Xenorhabdus (2)

       Pantoea (6)

       Riesia (1)

       Rahnella (3)

       Moranella (2)

       Providencia (1)

       Morganella (1)

       Raoultella (1)

       Other Enterobacteria (3)

       Haemophilus (12)

       Histophilus (2)

       Pasteurella (4)

       Mannheimia (4)

       Actinobacillus (5)

       Aggregatibacter (4)

       Gallibacterium (1)

       Bibersteinia (1)

       Xylella (5)

       Xanthomonas (14)

       Stenotrophomonas (4)

       Pseudoxanthomonas (2)

       Frateuria (1)

       Rhodanobacter (1)

       Vibrio (18)

       Aliivibrio (3)

       Photobacterium (1)

       Listonella (1)

       Pseudomonas (40)

       Cellvibrio (1)

       Azotobacter (3)

       Psychrobacter (3)

       Acinetobacter (15)

       Moraxella (1)

       Shewanella (24)

       Idiomarina (1)

       Colwellia (1)

       Pseudoalteromonas (3)

       Saccharophagus (1)

       Marinobacter (4)

       Alteromonas (7)

       Glaciecola (3)

       Psychromonas (2)

       Teredinibacter (1)

       Ferrimonas (1)

       Coxiella (5)

       Legionella (10)

       Methylococcus (1)

       Methylomonas (1)

       Methylomicrobium (1)

       Francisella (18)

       Thiomicrospira (1)

       Thioalkalimicrobium (1)

       Methylophaga (2)

       Cycloclasticus (1)

       Nitrosococcus (3)

       Allochromatium (1)

       Thiocystis (1)

       Thioflavicoccus (1)

       Alkalilimnicola (1)

       Halorhodospira (1)

       Thioalkalivibrio (3)

       Halothiobacillus (1)

       Hahella (1)

       Chromohalobacter (1)

       Halomonas (1)

       Portiera (5)

       Alcanivorax (2)

       Kangiella (1)

       Marinomonas (3)

       Thalassolituus (1)

       Aeromonas (3)

       Tolumonas (1)

       Oceanimonas (1)

       Dichelobacter (1)

       Acidithiobacillus (4)

       Baumannia (1)

       Carsonella (6)

       Simiduia (1)

       Ruthia (1)

       Vesicomyosocius (1)

       Unclassified Gammaproteobacteria (1)

     Betaproteobacteria (145)

     Epsilonproteobacteria (90)

     Deltaproteobacteria (57)

     Alphaproteobacteria (238)

     Other proteobacteria (1)

     Chrysiogenetes (1)

     Firmicutes (523)

     Tenericutes (71)

     Actinobacteria (261)

     Chlamydiae (89)

     Spirochaetes (54)

     Acidobacteria (8)

     Bacteroidetes (94)

     Fibrobacteres (2)

     Fusobacteria (5)

     Verrucomicrobia (4)

     Gemmatimonadetes (1)

     Planctomycetes (7)

     Elusimicrobia (2)

     Synergistetes (5)

     Cyanobacteria (73)

     Green sulfur bacteria (13)

     Green nonsulfur bacteria (18)

     Deinococcus-Thermus (20)

     Hyperthermophilic bacteria (42)

     Unknown division (1)

   Archaea (153)