Archaeocidaris
Archaeocidaris
Biota | Animalia | Echinodermata | Echinozoa | Echinoidea | Palaeozoic Echinoidea | Archaeocidaridae | Archaeocidaris
|  | Klein, 1778 | Haeckel in Zittel, 1895 | Schumacher, 1817 |  | McCoy, 1844 | McCoy, 1844