Predators didn't dominate the Cretaceous period - plant-eaters did. And their bodies were built to take a beating. The latest science reveals the anatomical secrets that made the earth's largest vegetarians successful.
| Creator | N/A |
|---|---|
| Actor | Robert Bakker, Peter L. Larson, Timothy Larson |
| Country | United States of America |
| Production | Dangerous Films |
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