Procaryotic Genera
   Domain "Bacteria" Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum Firmicutes (Gibbons and Murray 1978) Garrity and Holt 2001 stat. inval. see Phylum Bacillota Gibbons and Murray 2021
       Class Mollicutes Edward and Freundt 1967 (Approved Lists 1980)
         Family "Erysipelotrichaceae" "Garrity and Holt 2001" nom. nud., incertae sedis see Family Erysipelotrichaceae Verbarg et al. 2004
           1 Genus Erysipelothrix Rosenbach 1909 (Approved Lists 1980)
           2 Genus Bulleidia Downes et al. 2000
           3 Genus Holdemania Willems et al. 1997
           4 Genus Solobacterium Kageyama and Benno 2000