[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Echinodermata Bruguière, 1789 - echinoderms
     Class Echinoidea (Leske, 1778) - sea urchins and sand dollars
       Order Salenoida Delage & Herouard, 1903 see Order Salenioida Delage & Herouard, 1903
         Family Saleniidae L. Agassiz, 1838
           1 Genus Salenia Gray, 1835
           2 Genus Salenocidaris Agassiz, 1869