Pappogeomys alcorni Russell, 1957 . Univ. Kans. Publ. Mus. Nat. Hist., 9: 359.

TYPE LOCALITY: Mexico, Jalisco, 4 mi. (6 km) W. of Mazamitla, 6600 ft. (2012 m) .

DISTRIBUTION: S.E. Jalisco (Mexico), in Sierra del Tigre Mtns.

ISIS NUMBER: 5301410003006001001.