Proechimys J. A. Allen, 1899
Proechimys semispinosus burrus Bangs, 1901
Proechimys semispinosus calidior Thomas, 1911
Proechimys semispinosus centralis (Thomas, 1896)
Proechimys semispinosus colombianus Thomas, 1914
Proechimys semispinosus goldmani Bole, 1937
Proechimys semispinosus ignotus Kellogg, 1946
Proechimys semispinosus panamensis Thomas, 1900
Proechimys semispinosus rosa Thomas, 1900
Proechimys semispinosus rubellus Hollister, 1914
Proechimys semispinosus subsp. semispinosus (Tomes, 1860)