Primary references

• Steadman, D.W. & Ray, C.E. 1982. The relationships of Megaoryzomys curioi, an extinct cricetine rodent (Muroidea: Muridae) from the Galápagos Islands, Ecuador. Smithsonian Contributions to Paleobiology 51: iii + 1–23. DOI: 10.5479/si.00810266.51.1 Full article

Additional references

• D'Elía, G., Luna, L., González, E.M. & Patterson, B.D. 2005. On the sigmodontine radiation (Rodentia, Cricetidae): An appraisal of the phylogenetic position of Rhagomys. Molecular Phylogenetics and Evolution 38(2): 558–564. DOI: 10.1016/j.ympev.2005.08.011

• D’Elía, G., Pardiñas, U.F.J., Teta, P. & Patton, J.L. 2007. Definition and diagnosis of a new tribe of sigmodontine rodents (Cricetidae: Sigmodontinae), and a revised classification of the subfamily. Gayana 71(2): 187–194. Full article (PDF) Reference page. 

• Pacheco, V., Patton, J.L. & D’Elía, G. 2015. Tribe Thomasomyini Steadman and Ray, 1982. Pp. 571-574 in Patton, J.L., Pardiñas, U.F.J. & D’Elía, G. (eds.), Mammals of South America. Volume 2. Rodents. The University of Chicago Press: Chicago, Illinois. ISBN 978-0-226-16957-6. Reference page. 

• Salazar-Bravo, J., Pardiñas, U.F.J., Zeballos, H. & Teta, P. 2016. Description of a new tribe of sigmodontine rodents (Cricetidae: Sigmodontinae) with an update summary of valid tribes and their generic contents. Occasional papers, Museum of Texas Tech University 338: 1–24. Full article (PDF) Reference page.