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