[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
       Class "Bacilli" Garrity et al. 2001 nom. ined. see Class Bacilli Ludwig et al. 2010
         Order "Lactobacillales" Garrity and Holt 2001 nom. nud. see Order Lactobacillales Ludwig et al. 2010
           Family "Enterococcaceae" Garrity and Holt 2001 nom. nud. see Family Enterococcaceae Ludwig et al. 2010
             Genus Enterococcus (ex Thiercelin and Jouhaud 1903) Schleifer and Kilpper-Bälz 1984
               Enterococcus avium (ex Nowlan and Deibel 1967) Collins et al. 1984