- Thomasomys andersoni Salazar-Bravo & Yates, 2007
- Thomasomys apeco Leo & Gardner, 1993
- Thomasomys aureus (Tomes, 1860)
- Thomasomys baeops (Thomas, 1899)
- Thomasomys bombycinus Anthony, 1925
- Thomasomys caudivarius Anthony, 1923
- Thomasomys cinereiventer J. A. Allen, 1912
- Thomasomys cinereus (Thomas, 1882)
- Thomasomys cinnameus Anthony, 1924
- Thomasomys daphne Thomas, 1917
- Thomasomys eleusis Thomas, 1926
- Thomasomys erro Anthony, 1926
- Thomasomys gracilis Thomas, 1917
- Thomasomys hudsoni Anthony, 1923
- Thomasomys hylophilus Osgood, 1912
- Thomasomys incanus (Thomas, 1894)
- Thomasomys ischyrus Osgood, 1914
- Thomasomys kalinowskii (Thomas, 1894)
- Thomasomys ladewi Anthony, 1926
- Thomasomys laniger (Thomas, 1895)
- Thomasomys macrotis Gardner & Romo, 1993
- Thomasomys monochromos Bangs, 1900
- Thomasomys niveipes (Thomas, 1896)
- Thomasomys notatus Thomas, 1917
- Thomasomys onkiro Luna & Pacheco, 2002
- Thomasomys oreas Anthony, 1926
- Thomasomys paramorum Thomas, 1898
- Thomasomys popayanus J. A. Allen, 1912
- Thomasomys praetor Thomas, 1900
- Thomasomys pyrrhonotus Thomas, 1886
- Thomasomys rhoadsi Stone, 1914
- Thomasomys rosalinda Thomas & St. Leger, 1926
- Thomasomys silvestris Anthony, 1924
- Thomasomys taczanowskii (Thomas, 1882)
- Thomasomys ucucha Voss, 2003
- Thomasomys vestitus (Thomas, 1898)
- Thomasomys vulcani Thomas, 1898
- MUSSER, G. G.; CARLETON, M. D. Superfamily Muroidea. In: WILSON, D. E.; REEDER, D. M. (Eds.). Mammal Species of the World: A Taxonomic and Geographic Reference. 3. ed. Baltimore: Johns Hopkins University Press, 2005. v. 2, p. 894-1531.
- SALAZAR-BRAVO, J., YATES, T. L. (2007). A new species of Thomasomys (Cricetidae: Sigmodontinae) from central Bolivia. pp. 747–774 in Kelt, D.A., Lessa, E.P., Salazar-Bravo, J. & Patton, J.L. (eds.). 2007. The Quintessential Naturalist: Honoring the Life and Legacy of Oliver P. Pearson. University of California Publications in Zoology 134, 1-981.
