[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 Ophiurida Müller & Troschel, 1840 sensu O'Hara et al., 2017 sensu O'Hara & al. , 2017
         Family Amphiuridae Ljungman, 1867
           1 Genus Amphichilus Matsumoto, 1917
           2 Genus Amphioplus Verrill, 1899
           3 Genus Amphipholis Ljungman, 1866
           4 Genus Amphiura Forbes, 1843
           5 Genus Monamphiura Fell, 1962
           6 Genus Paramphiura Koehler, 1895