Prehistoric Sea Predators Could Be Largest That Ever Lived

[sam5971]

Some of the largest creatures this world has ever seen lived millions of years ago. Here are five of the most fearsome sea monsters ever to prowl the oceans.

 

[Gdjjr]

Inquiring minds want to know: What made them go extinct?

 

[Corazon]

Very interesting video sam5971! Thanks!
(Hey Mosasaurus was really scary.... )

 

[there4eyeM]

Inquiring minds want to know: What made them go extinct?

Well, it certainly wasn't that they were "too big to fail"!

 

[Shawnee_b]

Inquiring minds want to know: What made them go extinct?

They foresaw the future.

 

[there4eyeM]

They were too big to survive.