Třída: Chondrichthyes - paryby
Řád: Rajiformes - rejnoci
Čeleď: Rajidae - rejnokovití

Synonyma: Raja echinorhyncha Miranda-Ribeiro, 1923; Sympterygia bonapartei (non Müller & Henle, 1941); Raja agassizi (non Müller & Henle, 1941).

Reference: Garman, S. W. 1877. On the pelvis and external sexual organs of selachians, with especial references to the new genera Potamotrygon and Disceus (with descriptions). Proc. Boston Soc. Nat. Hist. v. 19: 197-214.