Heteromys nelsoni Merriam, 1902 . Proc. Biol. Soc. Washington, 15:43.

TYPE LOCALITY: Mexico, Chiapas, Pinabete, 8,200 ft. (2,499 m) .

DISTRIBUTION: Known only from the type locality.

COMMENTS: Type species of subgenus Xylomys Merriam. Reviewed by Rogers and Rogers (19926, Mammalian Species, 397).