Is A Mastodon A Dinosaur?
Is A Mastodon A Dinosaur? Even more distantly related to dinosaurs are the marine reptiles, which include the plesiosaurs and ichthyosaurs. Mammoths and mastodons are mammals and did not appear until many millions of years after the close of the Cretaceous period. Why did mastodons go extinct? As the last major glaciation ended around 12,000