Chapter

Compagno, L.J.V. 1999. Chapter 1. Systematics and Body Form. In W.C. Hamlett (ed.), Sharks, Skates, and Rays: The Biology of Elasmobranch Fishes. Johns Hopkins University Press, Baltimore.: 1-42.

Original Classification (root)

(Class) Chondrichthyes Huxley, 1880