Cystechinus loveni
viewed from above. Specimen photographed before ethanol fixation. Reprinted from: Deep Sea Research Part II: Topical Studies in Oceanography, Vol. 154, Mironov A.N., Minin K.V., Dilman A.B., Smirnov I.S., Deep-sea echinoderms of the Sea of Okhotsk, Pages 342–357, Copyright (2017), with permission from Elsevier.