Genus Psammodesmus Cook, 1896

Psammodesmus Cook, 1896a: 53 . Type species: Psammodesmus cos Cook, 1896 (by original designation).

Ernostyx Chamberlin, 1941: 497 . Type species: Ernostyx moyobambus Chamberlin, 1941 (by original designation). Synonymized by Hoffman 1953b: 301.

11 named species, up to 11 unnamed species (Martínez-Torres 2016). From Panama to Peru and Brazil.