Phylum Sarcomonada Cavalier-Smith, 1993 see Class Sarcomonadea Cavalier-Smith, 1993
   Class Cercomonadea K.A. Mikrjukov, 2000 see Class Sarcomonadea Cavalier-Smith, 1993
     Order Dimorphida Siemensma, 1991 see Order Heliomonadida Cavalier-Smith, 1993
       1 Genus Dimorpha Gruber, 1881, nom. illeg.
       1.1 Genus Dimorphella Valkanov, 1928 see Genus Dimorpha Gruber, 1881, nom. illeg.
       2 Genus Tetradimorpha Hsiung, 1927