Morphological diagnoses of higher taxa in Ophiuroidea (Echinodermata) in support of a new classification Author Stöhr, Sabine Author Hugall, Andrew F. Author Thuy, Ben Author Martynov, Alexander text European Journal of Taxonomy 2018 2018-03-21 416 1 35 journal article 22339 10.5852/ejt.2018.416 2eebb037-4ab1-433c-a9f6-8fe319e9fda9 3806109 AD094812-5768-43E9-BCC2-9226E69F0820 Suborder Ophiomusina O’Hara et al. , 2017 Diagnosis Dental plate entire, sockets shallow, single row of teeth. Tentacle openings minute within-plate perforations of the lateral arm plate, except on proximal arm joints. Lateral arm plates conspicuously thick and meeting dorsally and ventrally. Genital papillae restricted to ventral side. Second tentacle pore concealed inside mouth slit.