Fossils attributed to the megalodon shark go back as far as 23 million years to 2.58 million years ago. These fossils are primarily the teeth found in the shallow, tropical waters along the coastlines and continental shelves of most continents except Antarctica.

You might think of scrimshaw as just a fancy letter opener or cuff links, but its origins are filled with a rich history. Whalers started scrimshawing on whaling ships between 1745 and 1759 on the Pacific Ocean. Scrimshaw is engraved or carved items made by whalers, typically from baleen or whale ivory. 

Sea turtles have been around for over 150 million years, meaning they lived to see the dinosaurs arrive on Earth and eventually go extinct. Most prefer to spend their lives roaming the ocean, but females come ashore to lay their eggs. Certain species like to bask on the coastline.