Pincushion ray (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pincushion ray" in English language version.

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doi.org

Jabado, R.W.; Chartrain, E.; De Bruyne, G.; Derrick, D.; Diop, M.; Doherty, P.; Keith Diagne, L.; Leurs, G.H.L.; Metcalfe, K.; Sayer, C.; Seidu, I.; Tamo, A.; VanderWright, W.J.; Williams, A.B. (2021). "Fontitrygon ukpam". IUCN Red List of Threatened Species. 2021: e.T39414A104174049. doi:10.2305/IUCN.UK.2021-2.RLTS.T39414A104174049.en. Retrieved 14 November 2021.
Taniuchi, T. (1991). "Occurrence of two species of stingrays of the genus Dasyatis (Chondrichthyes) in the Sanaga Basin, Cameroun". Environmental Biology of Fishes. 31: 95–100. doi:10.1007/BF00002163.

Froese, Rainer; Pauly, Daniel (eds.) (2009). "Urogymnus ukpam" in FishBase. November 2009 version.

Jabado, R.W.; Chartrain, E.; De Bruyne, G.; Derrick, D.; Diop, M.; Doherty, P.; Keith Diagne, L.; Leurs, G.H.L.; Metcalfe, K.; Sayer, C.; Seidu, I.; Tamo, A.; VanderWright, W.J.; Williams, A.B. (2021). "Fontitrygon ukpam". IUCN Red List of Threatened Species. 2021: e.T39414A104174049. doi:10.2305/IUCN.UK.2021-2.RLTS.T39414A104174049.en. Retrieved 14 November 2021.