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The First Mammals
Little and large
The ancestors of today's camels lived about 10 million years ago. ...
Thunder beast
The giant mammal, Brontotherium, or 'thunder beast', lived 35 million ...
Amazing But True
The first elephants lived 40 million years ago. Moeritherium was only ...
Sea giant
A giant whale, Basilosaurus, was the largest prehistoric sea mammal. ...
First diets
Most early mammals ate insects and worms. Carnivores or meat-eaters ...
Super sloth
Megatherium was a type of giant sloth which lived about 15,000 years ...
DID YOU KNOW?
Paraceratherium was the biggest land mammal there has ever been. It ...
Horse race
The first horses lived about 55 million years ago in the North ...
Prehistoric pouches
Millions of years ago, two kinds of giant marsupials lived in ...
Reptile relations
About 250 million years ago most land animals were reptiles. About ...