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 Negativicutes Marchandin et al. 2010 [monotypic]
                   Order Selenomonadales Marchandin et al. 2010
                     Family Sporomusaceae Campbell et al. 2015
                       Genus Sporomusaᵀ Möller et al. 1985
                         1 Sporomusa acidovorans Ollivier et al. 1990
                         2 Sporomusa aerivorans Boga et al. 2003
                         3 Sporomusa malonica Dehning et al. 1990
                         4 Sporomusa ovata Möller et al. 1985
                         5 Sporomusa paucivorans Hermann et al. 1987
                         6 Sporomusa rhizae Gößner et al. 2006
                         7 Sporomusa silvacetica Kuhner et al. 1997
                         8 Sporomusa sphaeroides Möller et al. 1985
                         9 Sporomusa termitida Breznak et al. 1990