This Ancient Fish Gave the Whole Ocean the Stiff Lower Lip - The New York Times

Why aren't there super large predators in the sea anymore? - Quora

Diversity, Free Full-Text

Sharks Smithsonian Ocean

Where Camels Take to the Sea

Return to the Sea: The Evolution of Marine Mammals

These Fins Were Made for Walking … and Then Swimming - The New York Times

Let Us Descend, Book by Jesmyn Ward, Official Publisher Page

Diversity, Free Full-Text

What are the biggest fish in the ocean? Do any of them prey on humans? - Quora

Mosasaurus and other mosasaurs of the dinosaur age

An ancient fish endangered – DW – 05/24/2018

Ichthyosauria - Wikipedia