[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Echinodermata Bruguière, 1789 - echinoderms
     Class Ophiuroidea Gray, 1840 - brittle stars and basket stars
       Order Euryalina Lamarck, 1816
         1 Family Asteronychidae Ljungman, 1867
         2 Family Gorgonocephalidae Ljungman, 1867
         3 Family Asteroschematidae Verrill, 1899