McEachran, J.D. (1983)
Results of the research cruises of FRV „Walther Herwig“ to South America. LXI. Revision of the South American skate genus Psammobatis Günther, 1870 (Elasmobranchii: Rajiformes, Rajidae). Archiv für Fischereiwissenschaft, 34(1), 23–80