Luna-Cruz, A.K. & Hendrickx, M.E. (2020)

Rediscovery of the deep-water species Ypsilocucumis californiae Massin & Hendrickx, 2011 (Echinodermata; Holothuroidea; Ypsilothuriidae)
in western Mexico

. Zootaxa, 4742 (1), 139–148.