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. https://doi.org/10.11646/zootaxa.4742.1.9