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 Ophiernidae fam. nov . urn:lsid:zoobank.org:act: 4FF0D5F3-DF26-4CA0-A6FD-F4C6B6696C1A Type genus Ophiernus Lyman, 1878a ( type species: O . vallincola Lyman, 1878a ). Diagnosis Lateral arm plates without vertical striations, but with horizontally striated proximal band (under adjacent plate). Bristle-shaped accessory arm spines. Narrow, broad, imperforate tooth sockets with flat borders. Vertebrae with radiating rib-like structures on distal muscle flanges. Lateral arm plates with several rib-like spurs on external proximal/internal distal band (where adjacent plates overlap). Arm spine articulations with weak lobes.