Ophioplinthaca semele (A. H Clark, 1949) (IDSSE-EEB-SW0113: A–H) A dorsal disc B ventral disc C center of the disc D radial shield E оral frame F ventral arm G dorsal arm H lateral arm; Ophioplinthaca defensor Koehler, 1930 (IDSSE-EEB-SW0112: I–Q) I dorsal disc J ventral disc K center of the disc L disc spine M оral frame N lateral disc O dorsal arm P ventral arm Q lateral arm. Abbreviations: as adoral shield, dap dorsal arm plate, das dorsal arm spine, gs genital slit, j jaw, lap lateral arm plate, m madreporite, os oral shield, rs radial shield, ts tentacle scale, vap ventral arm plate, vas ventral arm spine. Scale bars: 2 mm (I); 1 mm (A, B, F–H, J, N–P); 500 µm (C–E, K, M, Q); 200 µm (L).

  Part of: Nethupul H, Stöhr S, Zhang H (2022) Review of Ophioplinthaca Verrill, 1899 (Echinodermata, Ophiuroidea, Ophiacanthidae), description of new species in Ophioplinthaca and Ophiophthalmus, and new records from the Northwest Pacific and the South China Sea. ZooKeys 1099: 155-202. https://doi.org/10.3897/zookeys.1099.76479