- Tytthonyx (Thinalmus) perezi Zaragoza-Caballero, 2001

Holotype: ♂. MEXICO: Morelos 2.5km N, 4km O Huautla Estación CEAMISH, 940 m, 18°27.671’ N 99°02.475’ O.

Conservation status: Complete, well-preserved; wing and genitalia on card.