Paraceratherium was the biggest land mammal ever. It resembled a massive horse, but it was the ancestor of the rhino. Unlike modern mammals, it would leave its young when they were three years old. When the plains it was used to disappeared, they fell to extinction. Maybe it broke its legs?
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The complete guide to everything PREHISTORIC!
Non-FictionFrom anomalocaris to inostrancevia, postosuchus to smilodon, this book shows current representations of the dazzling creatures of the past.