[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
1 Order Phrynophiurida Matsumoto, 1915
2 Order Euryalina Lamarck, 1816
3 Order Ophiurida Müller & Troschel, 1840 sensu O'Hara et al., 2017 sensu O'Hara & al. , 2017
4 Order Laemophiurina (Matsumoto, 1915)
5 Order Chilophiurina Matsumoto, 1915