Would a shark skeleton show up on an X-ray? - Quora
sharks, The Pterosaur Heresies
No bones about it: sharks evolved cartilage for a reason
Did you know that sharks have no bones in their body, only cartilage (like what your nose and ears are made of!)? #TriviaTuesday
Sharks: Sand Sharks & More - SEA LIFE Kelly Tarlton's Aquarium
Why aren't there large boneyards of fish bones at the bottom of the ocean? - Quora
Why aren't there large boneyards of fish bones at the bottom of the ocean? - Quora
Do sharks and rays have bones?
Typical anatomy of sharks