Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Echinodermata Bruguière, 1789 - echinoderms
     Subphylum †Blastozoa Sprinkle, 1973 see Infraphylum Blastozoa Sprinkle, 1973
       Class †Rhombifera Pérès, 1956
         Genus †Cheirocystis Paul, 1972
         Genus †Glyptocystella Paul, 1972
         Genus †Glyptocystites Billings, 1854
         Genus †Pleurocystites Billings, 1854
         Genus †Pseudocrinites Pearce, 1843