1. Allen GR, Robertson DR. Fishes of the tropical eastern Pacific. USA. Honololu, Hawaii: University of Hawaii Press; 1994. p. 35.
2. Barrera-García A, O’Hara T, Galván-Magaña F, Méndez-Rodríguez LC, Castellini JM, Zenteno-Savín T. Oxidative stress indicators and trace elements in the blue shark (Prionace glauca) off the east coast of the Mexican Pacific Ocean. Comparative Biochemistry and Physiology Part C. Toxicology & Pharmacology 2012;156(2):59-66.
3. Berzins IK, Walsh M, Richards M. Spinal deformities in captive sandtiger sharks (Carcharias taurus). In: Saitoh S, Takahashi I, Mizoguchi I, Sasano Y, Kagayama M, editors. The American Elasmobranch Society. Norman OK, USA. Proceedings of the 27th Annual Eastern Fish Health Workshop. SC, USA.: Mount Pleasant; 2002. p. 18–20.
4. Castellanos-Cendales L. Hábitos alimenticios de Urobatis halleri y Urotrygon chilensis (Chondrichthyes: Urolophidae), en Sinaloa, México. UNAM, Instituto Nacional de Pesca-CRIP-Mazatlán, México: Tesis de posgrado; 2009.
5. Castro-Aguirre JL, Torres-Villegas JR. Sobre un caso de bicefalia funcional en Rhinoptera steindachneri Evermann and Jenkins (Chondrichthyes, Elasmobranchii, Batoidea), capturado en la costa occidental de Baja California, México. Ciencias Marina. 1979;6:27–41.