Magalhães, C.; Wehrtmann, I. S.; Lara, L. R.; Mantelatto, F. L.

Taxonomy of the Freshwater Crabs of Costa Rica, With a Revision of the Genus Ptychophallus Smalley, 1964 (Crustacea: Decapoda: Pseudothelphusidae)

. Zootaxa 2015, 3905, 301–344.