Jordan, D.S. & Gilbert, C.H. (1881)
Notes on the fishes of the Pacific coast of the United States. Proceedings of the United States National Museum, 4, 29–70
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
Fowler, H.W. (1910)
Notes on batoid fishes. Proceedings of the Academy of Natural Sciences of Philadelphia, 62, 468–475
Starks, E.C. (1918)
The skates and rays of California, with an account of the ratfish. California Fish and Game, 4(1), 1–16
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
Walford, L.A. (1935)
The sharks and rays of California. California Fish and Game Bulletin, 45, 1–66
Raghu Prasad, R. (1948)
Observations on the Nidamental Glands of Hydrolagus colliei, Raja rhina and Platyrhinoidis triseriatus. Copeia, 1, 54–57