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Our forum always brings it first... Paleontologists have described three new small squirrel-like species that place a poorly understood Mesozoic group of animals firmly in the mammal family tree. The study, led by scientists at the American Museum of Natural History and the Chinese Academy of Sciences, supports the idea that mammals—an extremely diverse group that includes egg-laying monotremes such as the platypus, marsupials such as the opossum, and placentals like humans and whales—originated at least 208 million years ago in the late Triassic, much earlier than some previous research suggests. The study is published today in the journal Nature. Read more at: phys.org/news/2014-09-extinct-squirrel-like-species-discovery-earlier.html#jCp phys.org/news/2014-09-extinct-squirrel-like-species-discovery-earlier.html
Posted on: Wed, 10 Sep 2014 21:44:30 +0000

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