Robertson, R. & Rojas, R. & Valenti, S.V. & Cronin, E.S. (2009)
Urotrygon nana IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org

Iturralde-Vinent, M.A. & Mora, C.L. & Rojas, R. & Gutierrez, M.R. (1998)
Myliobatidae (Elasmobranchii: Batomorphii) del Terciario de Cuba. Revista de la Sociedad Mexicana de Paleontología, 8(2): 135–145, 6 fig.

Iturralde-Vinent, M.A. & Hubbell, G. & Rojas, R. (1996)
Catalogue of Cuban fossil Elasmobranchii (Paleocene to Pliocene) and paleogeographic implications of their lower to middle Miocene occurrence. Journal of the Geological Society of Jamaica, 31, 7–21