Mr. Mosasaur on Twitter: "I NEED to see a Mosasaur in the Land Before Time art style... and no, this disgrace doesn't count as a mosa. https://t.co/9oYfVey2fy" / Twitter
![What caused Pliosaurs, ichtyosaurs and Thalattosuchians to go extinct at the beginning/middle of the Cretaceous? Did these 3 groups went extinct because of the same reason? Why didn't they last until the What caused Pliosaurs, ichtyosaurs and Thalattosuchians to go extinct at the beginning/middle of the Cretaceous? Did these 3 groups went extinct because of the same reason? Why didn't they last until the](https://i.redd.it/yqdrecmw0lq81.jpg)
What caused Pliosaurs, ichtyosaurs and Thalattosuchians to go extinct at the beginning/middle of the Cretaceous? Did these 3 groups went extinct because of the same reason? Why didn't they last until the
![Mark P. Witton's Blog: Plesiosaurs on the rocks: the terrestrial capabilities of four-flippered marine reptiles Mark P. Witton's Blog: Plesiosaurs on the rocks: the terrestrial capabilities of four-flippered marine reptiles](https://4.bp.blogspot.com/-Tlbz9Khy7cI/XDX94UhVwUI/AAAAAAAAEAA/mdVRJhrAgCg-FYoRmE44oQoplARKAmmSACLcBGAs/s1600/Wilson%2B1958%2Bplesiosaur%2BDaily%2BMail%2BBoys%2BAnnual.jpg)