Domain Bacteria Woese et al. 1990
Count: [*] *
   Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
  Count: -
     Class Mollicutes Edward and Freundt 1967 (Approved Lists 1980)
    Count: [*] *
       1 Order Mycoplasmatales Freundt 1955 (Approved Lists 1980)
      Count: [*] *
       2 Order Entomoplasmatales Tully et al. 1993
      Count: [*] *
       3 Order Acholeplasmatales Freundt et al. 1984
      Count: [*] *
       4 Order Anaeroplasmatales Robinson and Freundt 1987
      Count: [*] *