Otto, A.W. (1821)
Über eine neue Roche und eine gleichfalls neue Molluske.
Nova Acta Physico–Medica Academiae Caesareae Leopoldina–Carolinae Naturae Curiosorum, 10, 111–126
Fleming, J. (1841)
Description of a species of skate new to the British fauna.
The Edinburgh new philosophical journal; exhibiting a view of the progressive discoveries and improvements in the sciences and the arts, 31(62): 236–238, Pls. 4–5