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Links to interesting videos illustrating some of the organisms and processes related to this chapter, updated on a regular basis.
Chondrichthyan Tree of Life
Cartilaginous Fishes: The Timetree of Life
http://www.timetree.org/public/data/pdf/Heinicke2009Chap41.pdf
The Biology of Sharks and Rays
http://www.elasmo-research.org/index.html
How Shark Teeth Work
https://www.youtube.com/watch?v=aI5ipLWFNxI
The Pointy-Nosed Blue Chimera Hydrolagus trolli
https://www.youtube.com/watch?time_continue=4&v=CV0D6G4CTio
The Spotted Chimaera (Hydrolagus colliei)
https://www.youtube.com/watch?v=yCsa-YLTQVQ
Goblin Shark, The Australian Museum
https://www.youtube.com/watch?v=dCPwUQPNWxw
Jaw Protraction by a Goblin Shark
https://www.youtube.com/watch?v=eh_HUIJkRzU
The Manta Ray Is The Brainiest Fish on the Planet
https://www.youtube.com/watch?v=PCPq1UtjxRI&feature=youtu.be
Live Reef Lagoon Cam, California Academy of Sciences
https://www.youtube.com/watch?v=wSVbdiflrmA&ab_channel=CaliforniaAcademyofSciences
Global Shark Tracker
http://www.ocearch.org/tracker/
Bioluminescence and Biofluorescence, David Gruber Lab, City University of New York.