Sharks, Skates, and Rays: The Biology of Elasmobranch Fishes - Google Books

https://books.google.de/books?id=ON-sPP5rowwC

Successor to the classic work in shark studies, The Elasmobranch Fishes by John Franklin Daniel (first published 1922, revised 1928 and 1934), Sharks, Skates, and Rays provides a comprehensive and up-to-date overview of elasmobranch morphology. Coverage…