Peromyscus grandis Goodwin, 1932 . Am. Mus. Novit., 560:4.
TYPE LOCALITY: Guatemala, Alta Verapaz, Finca Concepcion, 3 mi S San Miguel Tucuru, 3750 ft .
DISTRIBUTION: S Alta Verapaz and NE Baja Verapaz, Guatemala; limits of distribution unknown.
COMMENTS: Maintained as a species by Huckaby (1980). The level of relationship of this species to the allopatric forms P. guatemalensis and P. zarhynchus requires investigation. P. mexicanus species group.