Domain Bacteria Woese et al. 1990
Status: extant
   Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
  Status: extant
     Class Mollicutes Edward and Freundt 1967 (Approved Lists 1980)
    Status: extant
       Order Anaeroplasmatales Robinson and Freundt 1987
      Status: extant
         ?Family "Erysipelotrichaceae" nom. inval. see Family Erysipelotrichaceae Verbarg et al. 2004
        Status: extant
           Genus Erysipelothrix Rosenbach 1909 (Approved Lists 1980)
          Status: extant