Thomomydoecus (Thomomydoecus) markhafneri (Price & Hellenthal, 1980a)
Geomydoecus (Thomomydoecus) markhafneri Price & Hellenthal, 1980a: 308, fig. 14. Puebla: Thomomys umbrinus umbrinus, 3.5 km S, 3 km E Esperanza, Boca del Monte, 13 Aug. 1977, M.S. Hafner; Boca del Monte, no date (Price & Hellenthal 1980a).
Types: Holotype male deposited in UMSP.