Kingdom Animalia Linnaeus, 1758 - animals Phylum Echinodermata Bruguière, 1789 - echinoderms Subphylum Echinozoa von Zittel, 1895 see Infraphylum Echinozoa Haeckel, in Von Zittell, 1895 Class †Edrioasteroidea Billings, 1858 Genus †Isorophus Foerste, 1916