[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   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
           Family Acholeplasmataceae Edward and Freundt 1970 (Approved Lists 1980)
             Genus Acholeplasma Edward and Freundt 1970 (Approved Lists 1980)
               Acholeplasma laidlawii (Sabin 1941) Edward and Freundt 1970 (Approved Lists 1980)