25 Incredible Sea Monsters That Once Ruled The Oceans

Have you ever wondered what swam in Earth’s oceans millions of years ago? Things were much different then. Humans weren’t around, so we didn’t have to worry about being devoured by gargantuan monsters swimming in the deep. A big part of North America was covered in water called the Western Interior Seaway, brimming with predatory reptiles. These sea creatures were gigantic, fierce, and had razor sharp teeth, but there’s still a lot we don’t know about them. Curious to find out what we do know? These are 25 incredible sea monsters that once ruled the oceans.

The post 25 Incredible Sea Monsters That Once Ruled The Oceans appeared first on List25.

Source: TheList25