Pappogeomys gymnurus (Merriam, 1892) . Proc. Biol. Soc. Washington, 7:166.

TYPE LOCALITY: Mexico, Jalisco, Zapotlân (= Ciudad Guzmân), 4,000 ft. (1,219 m) .

DISTRIBUTION: S and C Jalisco and NE Michoacan (Mexico).

SYNONYMS: imparilis Goldman, russelli Genoways and Jones, tellus Russell.

COMMENTS: Subgenus Cratogeomys . Polytypic; subspecies reviewed by Russell (1968b).