From the January 2000 Scientific American Magazine | 0 comments

MAMMAL MELEE ( Preview )

New fossils impugn leading model of early mammal origins

By Kate Wong   

 
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For decades, scholars have struggled to divine from tiny teeth and bits of bone the ancient history of mammals, and despite the paucity of the fossil

record paleontologists had pieced together a plausible account. The egg-laying monotremes such as the platypus, which make up one major branch of the

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