BIGELOW, H.B. & SCHROEDER, W.C. (1962)
New and little known batoid fishes from the Western Atlantic. Bulletin of the Museum of Comparative Zoology at Harvard College, 128 (4): 161–244, Pl. 1.
MCEACHRAN, J.D. & COMPAGNO, L.J.V. (1982)
Interrelationships of and within Breviraja based on anatomical structures (Pisces: Rajoidei). Bulletin of Marine Science, 32 (2): 399–425
LUTTON, B.V. & ST GEORGE, J. & MURRIN, C.R. & FILETI, L.A. & CALLARD, I.P. (2005)
The elasmobranch ovary. In: Hamlett, W.C. (ed.) Reproductive biology and phylogeny of chondrichthyes: sharks, rays and chimaeras, Vol. 3. Endfield, USA: Science Publishers: 237–281