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After the dinosaurs : the age of mammals.
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ISBN: 0253347335 9780253347336 Year: 2006 Publisher: Bloomington Indiana university

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Abstract

"Perhaps nudged over the evolutionary cliff by a giant boloid striking the Earth, the incredible and fascinating group of animals called dinosaurs (except for their feathered descendants) became extinct some 65 million years ago. In their place evolved an enormous variety of land creatures, especially the mammals, which in their way were every bit as remarkable as their Mesozoic cousins." "The Age of Mammals, the Cenozoic Era, has never had its Jurassic Park, but it was an amazing time in Earth's history, populated by a wonderful assortment of bizarre animals. The rapid evolution of thousands of species of mammals brought forth gigantic hornless rhinos, sabertooth cats, mastodonts and mammoths, and many other creatures - including our own ancestors." "Their story is part of a larger story of a world emerging from the greenhouse conditions of the Mesozoic, warming up dramatically about 55 million years ago, and then cooling rapidly so the 33 million years ago the glacial ice returned. During this time, the Earth's vegetation went through equally dramatic changes, from tropical jungles in Montana and forests at the poles, to grasslands and savannas across the entire world. Life in the sea also underwent striking evolution reflecting global climate change, including the emergence of such creatures as giant sharks, seals, sea lions, dolphins, and whales." "After the Dinosaurs is a book for everyone who has an abiding fascination with the remarkable life of the past."--Jacket.

The beginning of the age of mammals
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ISBN: 0801884721 9780801884726 080188022X 9780801880223 9780801892219 080189221X Year: 2006 Publisher: Baltimore : Johns Hopkins University Press,

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