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 Desulfobulbia Waite et al. 2020 [monotypic]
                   Order Desulfobulbalesᵀ Waite et al. 2020
                     Family Desulfocapsaceae Waite et al. 2020
                       1 Genus Desulfocapsaᵀ Janssen et al. 1997
                       2 Genus Desulfocastanea Galushko and Kuever 2021
                       3 Genus Desulfofustis Friedrich et al. 1996 [monotypic]
                       4 Genus Desulfopila Suzuki et al. 2007
                       5 Genus Desulfoprunum Junghare and Schink 2015
                       6 Genus Desulforhopalus Isaksen and Teske 1999
                       7 Genus Desulfosediminicola Song et al. 2023
                       8 Genus Desulfotalea Knoblauch et al. 1999
                       9 Genus "Candidatus Desulfatifera" van Vliet et al. 2021 nom. pro-inval.