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 Cytophagaceae Stanier 1940 nom. inval.
           Genus Cytophaga Winogradsky 1929 nom. inval.