Jordan, D.S. & Evermann, B.W. & Clark, H.W. (1930)
Check list of the fishes and fishlike vertebrates of North and Middle America north of the northern boundary of Venezuela and Colombia. Report of the United States Fish Commission, 1928(2), 1–670

Delacy, A.C. & Chapman, W.M. (1935)
Notes on some elasmobranchs of Puget Sound, with descriptions of their egg cases. Copeia, 1935(2), 63–67