Halstead, B.W. & Modglin, F.R. (1950)
A preliminary report on the venom apparatus of the bat-ray, Holorhinus californicus. Copeia, 1950(3), 165–175
Roedel, P.M. & Ripley, W.E. (1950)
California sharks and rays. California Fish and Game Bulletin, 75, 88 pp., 65 figs
Campbell, B. (1951)
The locomotor behavior of spinal elasmobranchs with an analysis of stinging in Urobatis. Copeia, 1951(4), 277–284
DOI: 10.2307/1438312
Herald, E.S. & Ripley, W.E. (1951)
The relative abundance of sharks and bat stingrays in San Francisco Bay. California Fish and Game, 37(3), 315–329
Alexander, C.G. (1953)
Five new species of Acanthobothrium (Cestoda: Tetraphyllidea) from southern California rays. Journal of Parasitology, 39(5), 481–486
Herald, E.S. (1953)
The 1952 shark derbies at Elkhorn Slough, Monterey Bay, and at Coyote Point, San Francisco Bay. California Fish and Game, 39(2), 237–243
Roedel, P.M. (1953)
Official common names of certain marine fishes of California. California Fish and Game, 39(2), 251–262
Baldwin, E. (1960)
Ureogenesis in elasmobranch fishes ? Comparative Biochemistry and Physiology, 1(1), 24–37
DOI: 10.1016/0010-406X(60)90005-0