Geomydoecus trichopi Price & Emerson, 1971: 253, figs 86, 120.
Michoacán: Zygogeomys trichopus trichopus, Sierra Patamba, 29 Jun. 1954, R.W. Dickerman (Price & Emerson 1971); Sierra Patamba, no date; 5.3 km and 7 km E of Tancitaro, no date; 6 km N of Tancitaro, no date; 2 km W of Tancitaro, no date; NW slopes Cerro Patamban, no date; Zygogeomys trichopus tarascensis, 10 km E Pátzcuaro, no date (Price & Hellenthal 1989a).
Types: Holotype male and allotype female deposited in KSUC (62520).