^ abHubbs, Carl L.; Miller, Robert Rush (1975). "Notropis tropicus, a new cyprinid fish from eastern Mexico". Southwestern Naturalist. 20 (1): 121–131. doi:10.2307/3670018. JSTOR3670018.
^ abEschmeyer, W. N. and R. Fricke (eds) (4 January 2016). "Catalog of Fishes". California Academy of Sciences. Retrieved 25 January 2016. {{cite web}}: |author= has generic name (help)