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 Bacilli Ludwig et al. 2010
                   Order Lactobacillales Ludwig et al. 2010
                     Family Enterococcaceae Ludwig et al. 2010
                       Genus Enterococcusᵀ (ex Thiercelin and Jouhaud 1903) Schleifer and Kilpper-Bälz 1984
                         Enterococcus faecium (Orla-Jensen 1919) Schleifer and Kilpper-Bälz 1984