plantenrijk Haeckel (1866) - plants
   [Division] Protophyta Sachs (1874) - primitive plants
     Class Schizomycetes Nägeli 1857 nom. inval. - bacteria and related forms see Class Schizomycetes Nägeli 1857 (Approved Lists 1980) nom. illeg., nom. rej.
       Order Myxobacteriales (sic) "Jahn 1915" nom. inval.
         Family Myxococcaceae Jahn 1924 nom. inval.
           Genus Myxococcus Thaxter 1892 nom. inval.