fossil marine animal genera Linnaeus, 1758 - animals
   Phylum Echinodermata Bruguière, 1789 - echinoderms
     Asterozoa
       Class Asteroidea Blainville, 1830 - sea stars
         01 Order Platyasterida Spencer, 1951
         02 Order †Pustulosida (Spencer, 1951)
         03 Order †Hemizonida (Spencer, 1951)
         04 Order †Uractinida
         05 Order †Trichasteropsida Blake, 1987
         06 Order Forcipulatida Perrier, 1884
         07 Order Valvatida Perrier, 1884
         08 Order Notomyotida Ludwig, 1910
         09 Order Paxillosida Perrier, 1884
         10 Order Spinulosida Perrier, 1884
         11 Order †uncertain