Procaryotic Genera Domain "Bacteria" Woese et al. 1990 Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980) Class Mollicutes Edward and Freundt 1967 (Approved Lists 1980) Order Acholeplasmatales Freundt et al. 1984 [monotypic] Family Acholeplasmataceae Edward and Freundt 1970 (Approved Lists 1980) [monotypic] 1 Genus Acholeplasma Edward and Freundt 1970 (Approved Lists 1980)