Maisey, J.G. & Springer, V.G. (2013)
Chondrocranial Morphology of the Salmon Shark, Lamna ditropis, and the Porbeagle, L. nasus (Lamnidae). Copeia, 2013(3), 378–389
DOI: 10.1643/CG-12-130

Howe, J.C. & Springer, V.G. (1993)
Catalog of type specimens of recent fishes in the National Museum of Natural History, Smithsonian Institution, 5: Sharks (Chondrichthyes: Selachii). Smithsonian Contributions to Zoology, (540), 1–19

Springer, V.G. & Gold, J.P. (1989)
Sharks in question. Smithsonian Institution 1989

Springer, V.G. (1964)
A revision of the carcharhinid shark genera Scoliodon, Loxodon, and Rhizoprionodon. Proceedings of the United States National Museum, 115(3493), 559–632

Springer, V.G. & Garrick, J.A.F. (1964)
A survey of vertebral numbers in sharks. Proceedings of the United States National Museum, 116, 73–96