Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 2024
             Kingdom Pseudomonadati (Gibbons and Murray 1978) Oren and Göker 2024
               Phylum Thermodesulfobacteriota Garrity and Holt 2021
                 Class Syntrophobacteria Waite et al. 2020 [monotypic]
                   Order Syntrophobacteralesᵀ Kuever et al. 2006
                     Family Syntrophobacteraceaeᵀ Kuever et al. 2006
                       01 Genus Desulfacinum Rees et al. 1995
                       02 Genus Desulfoferrobacter Davidova et al. 2022
                       03 Genus Desulfoglaeba Davidova et al. 2006 [monotypic]
                       04 Genus Desulforhabdus Oude Elferink et al. 1997 [monotypic]
                       05 Genus Desulfosoma Baena et al. 2011
                       06 Genus Desulfovirga Tanaka et al. 2000 [monotypic]
                       07 Genus Syntrophobacterᵀ Boone and Bryant 1984
                       08 Genus Syntrophobacterium Galushko and Kuever 2021
                       09 Genus "Candidatus Desulfonatronobulbus" Sorokin and Chernyh 2020
                       10 Genus "Candidatus Syntropholuna" Sorokin et al. 2020
                       11 Genus "Candidatus Syntrophobaca" Sorokin et al. 2016 nom. pro-inval.