Garman, S. (1913)
The Plagiostomia (Sharks, Skates and Rays). Memoirs of the Museum of Comparative Zoology at Harvard College, 36, 1–528
Radcliffe, L. (1916)
The sharks and rays of Beaufort, North Carolina. Bulletin of the United States Bureau of Fisheries, 34, 239–284
Baughman, J.L. & Springer, S. (1950)
Biological and economic notes on the sharks of the Gulf of Mexico, with especial reference to those of Texas, and with a key for their identification. American Midland Naturalist, 44(1), 96–152