Brontotheriidae - The Thunder Beasts
10:13
Sparassodonta - South America's Former Carnivores
13:45
What were Tyrannosaur Forelimbs Used For?
9:30
Chalicotheres - Giant-Clawed Horse Relatives
10:05
Meridiungulata - South America's Former Hoofed Mammals
9:55
Do Thunderbeasts Prove Giant Animals Are Inevitable?
18:33
The Evolution of the Giraffe
7:58
How the Chalicothere Split In Two
9:49