Bigelow, H.B. & Schroeder, W.C. (1950)
New and little known cartilaginous fishes from the Atlantic. Bulletin of the Museum of Comparative Zoology at Harvard College, 103(7), 385–408

Bigelow, H.B. & Schroeder, W.C. (1953)
Sharks, sawfishes, guitarfishes, skates and rays. Chimaeroids. In J. Tee–Van, C.M. Breder, S.F. Hildebrand, A.E. Parr, and W.C. Schroeder (Eds.), Fishes of the Western North Atlantic. Part 2. Sears Foundation for Marine Research, Yale University, New Haven (pp. 1–514)

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

Bigelow, H.B. & Schroeder, W.C. (1965)
A further account of batoid fishes from the western Atlantic. Bulletin of the Museum of Comparative Zoology at Harvard College, 132(5), 443–477

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 W.C. Hamlett (Ed.), Reproductive biology and phylogeny of chondrichthyes: sharks, rays and chimaeras, Vol. 3 (pp. 237–281). Science Publishers, Endfield, USA