1. Smalleyus tricristatus, new genus, new species, Pseudothelphusa parabelliana, new species (Brachyura: Pseudothelphusidae) from Los Tuxtlas, Veracruz, Mexico;Alvarez;Proc. biol. Soc. Washington,1989
2. Freshwater crabs associated with caves in southern Mexico and Belize, with descriptions of three new species (Crustacea: Decapoda);Rodríguez;Proc. biol. Soc. Washington,1989
3. A terminology for the gonopods of the American river crabs;Smalley;Syst. Zool.,1964
4. Los cangrejos de agua dulce de la familia Pseudothelphusidae (Decapoda: Brachyura: Eubrachyura) de México, con un apéndice de las especies citadas para América hasta 2006;Villalobos,2008