Jordan, D.S. & Evermann, B.W. (1896)
The fishes of North and Middle America: a descriptive catalogue of the species of fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama. Part I. Bulletin of the United States National Museum, 47, 1–1240
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
White, E.G. (1936)
Some transitional elasmobranchs connecting the Catuloidea with the Carcharinoidea. American Museum Novitates, 879, 1–22
White, E.G. (1937)
Interrelationships of the elasmobranchs with a key to the Order Galea. Bulletin of the American Museum of Natural History, 74, 25–138