plantenrijk Haeckel (1866) - plants
   [Division] Protophyta Sachs 1874 - primitive plants
     Class Schizomycetes Nägeli 1857 (Approved Lists 1980) - bacteria and related forms
       Order Myxobacteriales
         Family Myxococcaceae Jahn 1924 (Approved Lists 1980)
           1 Genus Chondrococcus Jahn 1924 nom. inval.
           2 Genus Myxococcus Thaxter 1892 (Approved Lists 1980)