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Nature 433, 116-117 (13 January 2005) | doi:10.1038/433116b; Published online 12 January 2005
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Mammalian palaeobiology: Living large in the Cretaceous
Anne Weil1
Abstract
Discoveries of large, carnivorous mammals from the Cretaceous challenge the long-held view that primitive mammals were small and uninteresting. Have palaeontologists been asking the wrong questions?
Although more than two-thirds of mammalian evolution occurred between about 180 million and 65.5 million years ago, many people think that these early mammals were not very exciting.
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Anne Weil is in the Department of Biological Anthropology and Anatomy, Duke University, 08 Biological Sciences Building, Box 90383, Durham, North Carolina
27708-0383, USA.
e-mail: Email: annew@duke.edu
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