Kingdom Protozoa Goldfuss, 1818 - protozoa
   Subkingdom Gymnomyxa (Lankester, 1878) Cavalier-Smith, 2002 see Kingdom Protozoa Goldfuss, 1818
     Infrakingdom Rhizaria Cavalier-Smith, 2002
       Phylum Cercozoa Cavalier-Smith, 1998
         Subphylum Monadofilosa Cavalier-Smith, 1997
           Class Ramicristea T. Cavalier-Smith, 1993
             1 Genus Dimorpha Gruber, 1881, nom. illeg.
             2 Genus Tetradimorpha Hsiung, 1927