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]
           Bacteria Woese et al. 1990 [paraphyletic?]
             Terrabacteria Battistuzzi et al. 2004
               Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
                 Selenomonadales Marchandin et al. 2010
                   Selenomonadaceae Campbell et al. 2015
                     Selenomonas von Prowazek 1913 (Approved Lists 1980)
                       1 Selenomonas artemidis Moore et al. 1987
                       2 Selenomonas dianae Moore et al. 1987
                       3 Selenomonas flueggei Moore et al. 1987
                       4 Selenomonas infelix Moore et al. 1987
                       5 Selenomonas lacticifex Schleifer et al. 1990
                       6 Selenomonas lipolytica Dighe et al. 1998
                       7 Selenomonas noxia Moore et al. 1987
                       8 Selenomonas ruminantium (Certes 1889) Wenyon 1926 (Approved Lists 1980)
                       9 Selenomonas sputigena (Flügge 1886) Boskamp 1922 (Approved Lists 1980)