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

Reference: de Carvalho, M. R.; Gomes, U. L. & Gadig, O. B. F. 2005. Description of a new species of skate of the genus Malacoraja Stehmann, 1970: the first species from the southwestern Atlantic Ocean, with notes on generic monophyly and composition (Chondrichthyes: Rajidae). Neotropical Ichthyology, 3 (2): 239-258.