List of bacterial orders Branching order of bacterial phyla (Genome Taxonomy Database, 2018) Bergey's Manual of Systematic Bacteriology Eobacteria Branching order of bacterial phyla (Gupta, 2001) Spirosomaceae Hydrobacteria Branching order of bacterial phyla (Ciccarelli et al., 2006) Pelobacteraceae Modulibacteria Thermoguttaceae Desulfosarcinaceae PVC superphylum Sedimentisphaeraceae Thermosediminibacterales Desulfonatronovibrionaceae Arenimicrobiaceae Lentimonas Desulfococcaceae Branching order of bacterial phyla (Woese, 1987) Branching order of bacterial phyla (Cavalier-Smith, 2002) Geobacterales Non-moti…

ile bacteria Ureaplasma loridis Bacteroides ureolyticus Natranaerofaba Adhaeretor Cesiribacteraceae Atribacter Sedimentisphaerales Absiella Dictyoglomus thermophilum Propionicimonas Natranaerobiales Raineya orbicola Thermodesulfobiaceae Mariniluteicoccus Wolinella Negativicoccus Anaerohalosphaera Quinella (bacterium) Kryptonia Sporichthyaceae Brevitalea Halarsenatibacter Epidermidibacterium keratini Desulfohalobium Frankiales Gracilibacteria Eurybacteria Berkelbacteria Numidum Holophagaceae Thermanaeromonas Ereboglobus Catenibacterium Polycladomyces Oligoflexia Allobaculum Tepidisphaeraceae Lottiidibacillus Bel

lilinea Dehalococcoidia Selenihalanaerobacter Mechercharimyces Catenisphaera Caldilinea Desulforhopalus Tepidisphaera Ilumatobacteraceae Desulfonatronobacter Oleiharenicola Natronoanaerobium Wirthbacteria Fermentibacteria Branching order of bacterial phyla (Battistuzzi et al., 2004) Orbales Katanobacteria Syntrophales Silvanigrellales Dethiobacter Rariglobus Faecalibaculum Brevifollis Natranaerobius Cetobacterium Coprothermobacter Halobacteroides Zavarzinella Seinonella Aquifex Thiotrichales Thermoflavimicrobium Simkania Brachyspiraceae Bernardetiaceae Blastocatella Nibricoccus Anaeroglobus Thermodesulfobium Geovibrio Microsc