[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Echinodermata Bruguière, 1789 - echinoderms
     Class Asteroidea Blainville, 1830 - sea stars
       Order Paxillosida Perrier, 1884
         1 Family Astropectinidae Gray, 1840
         2 Family Luidiidae Sladen, 1889
         3 Family Ctenodiscidae Sladen, 1889
         4 Family Radiasteridae Fisher, 1916
         5 Family Porcellanasteridae Sladen, 1883