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 Family Ophiopezidae fam. nov . urn:lsid:zoobank.org:act: 5CB2AA19-60FA-4483-A659-998AF13B3E55 Type genus Ophiopeza Peters, 1851 ( type species: O . fallax Peters, 1851 ). Other genera Ophiochaeta Lütken, 1869 . Diagnosis Dorsal disc covered with granules ( Ophiopeza ) or needle-like spines ( Ophiochaeta ). Dental plate entire, with coarsely porous stereom, tooth sockets as small, not penetrating holes with indistinct borders, on the ventral end a pair of sockets. Arm spine articulation with swollen dorsal lobe and thin ventral lobe, well defined sigmoidal fold. Lateral arm plates with conspicuous ornamentation (tubercles of variable size in Ophiopeza ).