MEEK, S.E. & HILDEBRAND, S.F. (1923)
The marine fishes of Panama. Part I. Field Museum of Natural History Zoological Series 15, (publication no. 215): 1–330.
CHIRICHIGNO, F.N. (1963)
Nuevas especies de "Rayas" para la fauna del Perú. Serrie de divulgación cientifica / Servicio de Pesquería, Ministerio de Agriculture, Lima, 20: 1–13
MIYAKE, T. & MCEACHRAN, J.D. (1986)
Taxonomy of the stingray genus Urotrygon (Myliobatiformes: Urolophidae): preliminary results based on external morphology. In: Uyeno, T. & Arai, R. & Taniuchi, T. & Matsuura, K. (eds) Proceedings of the second international conference on Indo-Pacific fishes. Ichthyological Society of Japan, Tokyo: 291–302
MOULD, B. (1997)
Classification of the recent Elasmobranchii. Copyright Brian Mould 1997
MANTILLA, L. (1998)
Lista de especies elasmobranquios de Colombia. Rev. Fen. Anat. Vol I.
MCEACHRAN, J.D. & ASCHLIMAN, N. (2004)
Phylogeny of Batoidea. In: Carrier, J.C. & Musick, J.A. & Heithaus, M.R. (eds) Biology of Sharks and their Relatives, Chapter 3: 79–113