- Mosasaurs, known as "T-Rexes of the deep"
- Cretaceous sea snakes
- Long-necked plesiosaurs
- Crocodile-like thalattosuchians, the earliest sea turtles
Chapter 2: Evolution
Chapter 3: Form and Function
Chapter 4: Invading the Mesozic Oceans
Chapter 5: Shark-Shaped Reptiles: The Ichthyosaurs
Chapter 6: Long Necks, Big Mouths: Plesiosaurs and Their Kin
Chapter 7: Sea Crocs: The Thalattosuchians
Chapter 8: Mosasaurs: The Great Lizard Lizards
Chapter 9: Sea Turtles
Chapter 10: After the Mesozoic More than 80 percent of the world's vast ocean is unmapped and unobserved, prompting the imagination to run wild on what might lurk in its depths. But Ancient Sea Reptiles proves that what stirs the imagination even more are the spectacular prehistoric creatures that have already been discovered. The book is a feast for the eyes and the scientific mind.