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, 66 figs, 51 pls, 2 tabs