A list of prehistoric sea creatures that inhabited the world’s oceans before, during, and after the age of the dinosaurs. Read on to discover amazing prehistoric ocean animals such as plesiosaurs, ichthyosaurs, pliosaurs, mosasaurs and ammonites.

Index

You can see a list of books on prehistoric animals on this page: Prehistoric Animal Books

Introduction

Dinosaurs may be the best-known prehistoric animals, but despite dominating the land during the Mesozoic Era, they never adapted to life in the ocean.

Visit our main dinosaur page to discover everything you ever wanted to know about dinosaurs: Dinosaurs – The Complete Guide

So-called “sea-dinosaurs” such as plesiosaurs …

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