Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Echinodermata Bruguière, 1789 - echinoderms
     Subphylum Echinozoa von Zittel, 1895 see Infraphylum Echinozoa Haeckel, in Von Zittell, 1895
       Class Echinoidea (Leske, 1778) - sea urchins and sand dollars
         Order Cidaroida Claus, 1880
           Genus †Archaeocidaris McCoy, 1844
           Genus Cidaris Leske, 1778
           Genus †Miocidaris Döderlein, 1887