Peromyscus melanurus Osgood, 1909 . N. Am. Fauna, 28:215.

TYPE LOCALITY: Mexico, Oaxaca, below Pluma Hidalgo, 3000 ft. (914 m) .

DISTRIBUTION: Pacific slopes of the Sierra Madre del Sur of Oaxaca (Mexico).

COMMENT: Included in megalops by Hall, 1981:715, but Huckaby, 1980, Los Ang. Cty. Mus. Contrib. Sei., 326:1-24, considered it a distinct species.