MOULD, B. (1997)
Classification of the recent Elasmobranchii. Copyright Brian Mould 1997
CHARVET-ALMEIDA, P. & DE ALMEIDA, M.P. (2004)
Potamotrygon schuemacheri In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>
COMPAGNO, L.J.V. (2005)
Checklist of living Chondrichthyes. In: Hamlett, W.C. (ed.) Reproductive biology and phylogeny of chondrichthyes: sharks, rays and chimaeras, Vol. 3. Endfield, USA: Science Publishers: 503–548
SCHWARTZ, F.J. (2009)
A survey of tail spine characteristics of stingrays frequenting western Atlantic Ocean and South American freshwater rivers. Journal of the North Carolina Academy of Science, 125 (2): 47–60
BALLANTYNE, J.S. & FRASER, D.I. (2013)
Euryhaline Elasmobranchs. Fish Physiology, 32: 125–198
DOI: 10.1016/B978-0-12-396951-4.00004-9