[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 "Aerococcaceae" Ludwig et al., 2010 see Family Aerococcaceae Ludwig et al. 2010
             Genus Ignavigranum Collins et al. 1999
               1 Ignavigranum ruoffiae Collins et al. 1999