Mass Extinction
Ashraf M.T. Elewa
Dec 2007 · Springer Science & Business Media
Ebook
252
Pages
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About this ebook
P. David Polly Department of Geological Sciences, Indiana University, Bloomington, IN 47405, USA, [email protected] Only 200 years ago, extinction was a radical new idea. Fossils were known, but their identity as the remains of species that no longer lived on the face of the Earth was not yet firmly established in the scientific world. Arguments that these organic-looking objects from the rocks were merely bizarre mineralizations or that they were the remains of species still living th in unexplored regions of the world had dominated 18 Century interpretations of fossils. But the settling of North America and other colonial expeditions by Europeans were quickly making the world smaller. In 1796 Cuvier painstakingly demonstrated that the anatomy of the mastodon skeleton from Big Bone Lick in Kentucky could not possibly belong to a modern elephant, unlike the mammoth fossils found in Europe, which are so similar to the living African Elephant that many found plausible the explanation that they were bones of animals used by the Roman army. Any doubt that Cuvier’s mastodon still lived in the wilds of the western North American interior was crushed ten years later when the Lewis and Clark expedition failed to find any sign of them.
About the author
Ashraf Elewa is currently a professor at the University of Minia, Egypt, from where he earned his B.Sc in Geology and his M. Sc. in Lithostratigraphy and Paleontology, and finally his Ph.D. in Micropalentology. His fields of research range from paleontology to traditional and geometric morphometrics and systematics and evolutionary trends in ostracoda.
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