prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Tenericutes" Murray 1984 [monotypic] see Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
       Class Mollicutes Edward and Freundt 1967 (Approved Lists 1980)
         1 Order Acholeplasmatales Freundt et al. 1984 [monotypic]
         2 Order Anaeroplasmatales Robinson and Freundt 1987 [monotypic]
         3 Order Entomoplasmatales Tully et al. 1993
         4 Order Haloplasmatales Rainey et al. 2008 [monotypic]
         5 Order Mycoplasmatales Freundt 1955 (Approved Lists 1980) [monotypic]