Kingdom Bacteria Cavalier-Smith 2002 - bacteria see Domain Bacteria Woese et al. 1990
   Subkingdom Unibacteria Cavalier-Smith 2002 see Domain Bacteria Woese et al. 1990
     Division Posibacteria Cavalier-Smith 2002
       Subdivision Endobacteria Cavalier-Smith 2002
         1 Class Togobacteria Cavalier-Smith 2002
         2 Class Teichobacteria Cavalier-Smith 2002
         3 Class Mollicutes Edward and Freundt 1967 (Approved Lists 1980)