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

a Berkelbacteria Numidum Thermoguttaceae Desulfosarcinaceae Natranaerofaba Ureaplasma loridis Natronoanaerobium Wirthbacteria Sedimentisphaerales Atribacter Absiella Bacteroides ureolyticus Bdellovibrionaceae Ornithinimicrobiaceae Ileibacterium Desmospora Cloacibacillus Brevefilum Caldimicrobium Natranaerobaculum Caldithrix Natranaerobiaceae Mycoplasmatota Cryptobacterium Brachyspiraceae Simkania Microscillaceae Bernardetiaceae Nibricoccus Desulfoconvexum Thermoflavimicrobium Thermodesulfobium Ornatilinea Blastocatella Geovibrio Caloribacte

rium Anaerospora Anaeroglobus Dehalococcoidia Thermanaeromonas Desulfonatronobacter Mechercharimyces Polycladomyces Oligoflexia Caldilinea Desulforhopalus Allobaculum Catenibacterium Catenisphaera Bellilinea Tepidisphaera Tepidisphaeraceae Selenihalanaerobacter Ilumatobacteraceae Ereboglobus Lottiidibacillus Oleiharenicola Orbales Silvanigrellales Katanobacteria Syntrophales Desulfovirgula Listeriaceae Coriobacterium Persicobacteraceae Borreliaceae Denitrovibrio Geobacter argillaceus Lebetimonas Pyramidobacter Desulfofrigus Sneathia Caldanaerovirga Singulisphaera Lactivibrio Bryocella Diplocalyx Geobacter lovleyi Dendrosporobacter Dehalobacter Dehalococcoides Magnetococcaceae Desulfatiferu