
Baryonyx was a large predator like T-Rex in the Early Cretaceous period. It ate fish more than meat. The huge crocodile like jaws could rip apart a fish. It also had a big, hooked claw on its hand.
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Dear Maria thanks for your question. Unfortunately the Sabourtooth Tiger is not alive, only bones. But if you ask because you like Sabourtooths then don't get upset because they do have descendants. I am not sure what animals are the direct descendants but I will look it up for you and write another post soon.

There is apparently a new Jurassic Park film coming out 2008. It is supposed to be called:

Spinosaurus was a giant meat eater. Some scientists say that it used its' sail to cool itself down during heatwaves. It would have lived at the end of the Jurassic and the start of the Cretaceous, about the same time as the tyrannosaurus. The Spinosaurus was bigger than the T-Rex and probably more fierce.