Malacoraja obscura de Carvalho, Gomes & Gadig 2005

de Carvalho, Gomes & Gadig 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), April-June 2005: 239-258