Bergey's Manual of Systematic Bacteriology Eobacteria Branching order of bacterial phyla (Gupta, 2001) Spirosomaceae Pelobacteraceae Branching order of bacterial phyla (Ciccarelli et al., 2006) Hydrobacteria Geobacterales Branching order of bacterial phyla (Cavalier-Smith, 2002) Branching order of bacterial phyla (Woese, 1987) Desulfococcaceae Lentimonas Arenimicrobiaceae Sedimentisphaeraceae PVC superphylum Cesiribacteraceae Modulibacteria Adhaeretor Desulfonatronovibrionaceae Thermosediminibacterales Natranaerofaba Thermoguttaceae Desulfosarcinaceae Ureaplasma loridis Numidum Gracilibacteria Berkelbacteria Eurybacteria Non-motile bacteria Bacteroides ureolyticus Sedimen…

ntisphaerales Atribacter Absiella Dictyoglomus thermophilum Natranaerobiales Thermodesulfobiaceae Mariniluteicoccus Desulfohalobium Wolinella Negativicoccus Brevitalea Propionicimonas Kryptonia Frankiales Quinella (bacterium) Sporichthyaceae Raineya orbicola Epidermidibacterium keratini Anaerohalosphaera Halarsenatibacter Wirthbacteria Natronoanaerobium Faecalibaculum Cetobacterium Zavarzinella Halobacteroides Aquifex Thiotrichales Natranaerobius Seinonell

a Rariglobus Coprothermobacter Brevifollis Dethiobacter Microscillaceae Brachyspiraceae Bernardetiaceae Anaerospora Desulfoconvexum Ornatilinea Nibricoccus Blastocatella Geovibrio Caloribacterium Thermodesulfobium Anaeroglobus Thermoflavimicrobium Simkania Branching order of bacterial phyla (Battistuzzi et al., 2004) Fermentibacteria Holophagaceae Bellilinea Ilumatobacteraceae Allobaculum Selenihalanaerobacter Catenisphaera Mechercharimyces Dehalococcoidia Thermanaeromonas Polycladomyces Desulfonatronobacter Lottiidibacillus Oligoflexia Ereboglobus Oleiharenicola Desulforhopalus Tepidisphaera Catenibacterium Tepid