Geomydoecus (Geomydoecus) nayaritensis Price & Hellenthal, 1981
Geomydoecus nayaritensis Price & Hellenthal, 1981b: 43 .
Nayarit: Thomomys atrovarius atrovarius, 3.5 mi (5.6 km) SSW Las Varas, 9 Nov. 1950, J.R. Alcorn; Thomomys umbrinus subspecies, Navarrete, no date (Price & Hellenthal 1981b).
Type: Holotype male deposited in KSUC (39789).
Note: The type host was identified as “ Thomomys umbrinus extimus ”.