Orthogeomys grandis (Thomas, 1893) . Ann. Mag. Nat. Hist., ser. 6, 12:270.

TYPE LOCALITY: Guatemala, Sacatepequez Prov., Dueftas .

DISTRIBUTION: Honduras to Jalisco (Mexico).

SYNONYMS: alleni Nelson and Goldman, alvarezi Schaldach, annexus Nelson and Goldman, carbo Goodwin, engelhardi Felten, felipensis Nelson and Goldman, guerrerensis Nelson and Goldman, huixtlae Villa, latifrons Merriam, nelsoni Merriam, pluto Lawrence, pygacanthus Dickey, scalops Thomas, soconuscensis Villa, vulcani Nelson and Goldman.

COMMENTS: Subgenus Orthogeomys . Burt and Stirton (1961) and Hall (1981) included pygacanthus in grandis; Russell (1968a) considered it a distinct species.