- Hexanchorus usitatus Spangler & Santiago-Fragoso, 1992

Paratypes: 15 ♂. COSTA RICA: Heredia, Barba stream (north of), 20/XI/1966. Col. H. P. Brown. Conservation status: Complete, well-preserved.

Paratypes: 3 ♂. COSTA RICA: Prov. Limón. Rio Santa Clara a 4 km. de Ara Piles, 20/IV/1984. Col. J. Bueno. Conservation status: Complete, well-preserved.