fossil marine animal genera Linnaeus, 1758 - animals
   Phylum Echinodermata Bruguière, 1789 - echinoderms
     Class †Edrioasteroidea Billings, 1858
       1 Order †Isorophida Bell, 1976
       2 Order †Edrioasterida Bell, 1976
       3 Order †Stromatocystitida
       4 Order †uncertain