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Spinosaurus vs. T. rex
The ultimate grudge match?
In the movie Jurassic Park III, the Spinosaurus is the biggest and baddest dinosaur yet, a worse villain even than Tyrannosaurus rex. Could Spinosaurus in fact defeat T. Rex? Spinosaurus was probably a bit longer than T. rex, though it was more lightly built. But Spinosaurus lived 10-30 million years before T. rex tromped the Earth. Had they been able to time-travel, though, there's no telling what would have happened—who would win a Spinosaurus vs. T. rex fight might depend on the strength of the individual dinosaurs.
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Spinosaurus |
T. rex |
| Name means |
"spine lizard" | "tyrant lizard" |
| Length |
40-50 feet (12-15 m) |
33-45 feet (10-14 m) |
| Weight |
4-6 tons | 5-7 tons |
| Era |
Middle Cretaceous | Late Cretaceous |
| Fossils found |
North Africa, South Asia | North America, Mongolia |
| Walked on two legs? |
Yes | Yes |
| Long tail? |
Yes | Yes |
| Huge, powerful jaws? |
Yes | Yes |
| Carnivore? |
Yes | Yes |
| Mystery feature |
Large sail along its back: did it regulate body temperature? Attract mates? |
Teeny, useless-looking little arms: what were they used for? |
| How mean was it? |
Not applicable: it was a reptile. Reptiles don't have complex feelings. | Also a reptile |
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Information Please® Database, © 2007 Pearson Education, Inc. All rights reserved.
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