Panina, E.G., Stepanov, V.G., Smirnov, A.V. & Martynov, A.V. (2020)

Two new species of holothurians of the genus Echinopsolus Gutt, 1990
(Echinodermata: Dendrochirotida: Cucumariidae) from the North-Western Pacific

. Zootaxa, 4789 (1), 233–246.