Prehistoric Aquatic Animals Word Search Puzzle

The earliest life forms is said to have occured just after the oceans formed 4.41 billion years ago. And the Cambrian Period saw an explosion of life at sea, and that included the Trilobites. Hundreds of million years took place, and evolved some of the largest marine and freshwater animals ever existed, but then died out during the major extinction events. These extinct creatures are the biggest of their kinds. Can you name the largest prehistoric aquatic animals?

You can click this button to Print This Word Search or click the Word Search Maker button above to create a custom word search based on this puzzle. You can also download the PDF containing this word search by clicking the button with the arrow near the top right corner of the puzzle below. If you would like to save or share your puzzles, be sure to create an account!