Ototylomys phyllotis Merriam, 1901 . Proc. Washington Acad. Sci., 3:562.

TYPE LOCALITY: Mexico, Yucatan, Tunkas .

DISTRIBUTION: C Costa Rica north to Yucatan Peninsula, S Tabasco, and N Chiapas, Mexico; isolated record from NC Guerrero, Mexico.

SYNONYMS: affinis, australis, brevirostris, connectens, fumeus, guatemalae, phaeus .

COMMENTS: Distribution and geographic variation examined by Lawlor (1969), who retained australis and connectens as subspecies. See Lawlor (1982, Mammalian Species, 181).