Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Superphylum Terrabacteria Battistuzzi et al. 2004
               Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
                 Class Clostridia Rainey 2010
                   Order Clostridialesᵀ Prévot 1953 (Approved Lists 1980)
                     Family Peptococcaceae Rogosa 1971 (Approved Lists 1980)
                       Genus Desulfotomaculum Campbell and Postgate 1965 (Approved Lists 1980)
                         ["Desulfotomaculum antarcticum" Iizuka et al. 1969] see Desulfotomaculum antarcticum (ex Iizuka et al. 1969) Campbell and Singleton 1988