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About the Cover

Cover Figure


COVER Artist's reconstruction of Castorocauda lutrasimilis diving into water. Castorocauda is an omnivorous mammal from the Middle Jurassic (~164 million years ago) and is the earliest known semi-aquatic animal in the mammalian lineage. See page 1123. Image: Mark A. Klingler, Carnegie Museum of Natural History


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Science. ISSN 0036-8075 (print), 1095-9203 (online)