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 Thermoguttaceae Desulfosarcinaceae PVC superphylum Sedimentisphaeraceae Branching order of bacterial phyla (Ciccarelli et al., 2006) Pelobacteraceae Branching order of bacterial phyla (Woese, 1987) Desulfococcaceae Modulibacteria Thermosediminibacterales Desulfonatronovibrionaceae Bacteroides ureolyticus Branching order of bacterial phyla (Cavalier-Smith, 2002) Geobacterales Adhaeretor Non-motile bacteria Numidum Gracili…

ibacteria Eurybacteria Berkelbacteria Cesiribacteraceae Fermentibacteria Branching order of bacterial phyla (Battistuzzi et al., 2004) Lentimonas Arenimicrobiaceae Ureaplasma loridis Atribacter Sedimentisphaerales Absiella Dictyoglomus thermophilum Propionicimonas Natranaerobiales Raineya orbicola Thermodesulfobiaceae Mariniluteicoccus Wolinella Negativicoccus Anaerohalosphaera Quinella (bacterium) Kryptonia Sporichthyaceae Brevitalea Halarsenatibacter Epidermidibacterium keratini Desulfohalobium Frankiales N

atronoanaerobium Wirthbacteria Bellilinea Dehalococcoidia Catenibacterium Polycladomyces Mechercharimyces Oligoflexia Catenisphaera Ereboglobus Allobaculum Ilumatobacteraceae Tepidisphaera Thermanaeromonas Selenihalanaerobacter Desulfonatronobacter Lottiidibacillus Tepidisphaeraceae Desulforhopalus Oleiharenicola Caldilinea Holophagaceae Natranaerofaba Anaeromusa Mahella Saprospirales Bythopirellula Thioreductor Nitrospinota Desulfatirhabdium Schlesneria Kyrpidia Ardenticatena Fucophilus Allisonella Balneola Lentisphaera araneosa Reichenbachiellaceae Dubosiella Denitrobacterium Fulvivirgaceae Lawsonella clevelandensis Acidobacterium Therm