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)

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

Deynat, P.P. & Séret, B. (1996)
Le revêtement cutané des raies (Chondrichthyes, Elasmobranchii, Batoidea). I- Morphologie et arrangement des denticules cutanés. Annales des Sciences Naturelles – Zoologie et Biologie Animale, 17(2), 65–83

Deynat, P.P. (1998)
Le revêtement cutané des raies (Chondrichthyes, Elasmobranchii, Batoidea). II. Morphologie et arrangement des tubercules cutanés. Annales des Sciences Naturelles – Zoologie et Biologie Animale, 19(3–4), 155–172
DOI: 10.1016/S0003-4339(99)80004-5