eukaryotes see Domain Eukaryota Chatton, 1925
   Centroheliozoa Dürrschmidt & Patterson, 1987 see Class Centrohelea Kühn, 1926
     Family Raphidiophryidae Mikrjukov, 1996
       1 Genus Parasphaerastrum Mikrjukov, 1996
       2 Genus Polyplacocystis Mikrjukov, 1996
       3 Genus Raphidiophrys Archer, 1867
       4 Genus Raphidocystis Pénard, 1904