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Age Of Mammals, The
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Cretaceous Life
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Early Life
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Ice Age, The
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The era of the mammoth—a huge hairy ancestor to the modern elephant—as well...Click for more.
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The great and final age of huge dinosaurs saw such creatures as Tyrannosaurus Rex, the...Click for more.
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The earliest-known animal forms on Earth, trilobites lived mainly in shallow water. They are...Click for more.
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The most recent ice age is the period during which modern man and mammals appeared...Click for more.
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Jurassic Life
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Triassic Life
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These early dinosaurs inhabited a world that would have been unrecognizable to Tyrannosaurus and other...Click for more.
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This was the age of early amphibians and reptiles, lasting roughly from 248 to 206...Click for more.
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