
Omosaurus is an extinct genus of the Crurotarsi, perhaps from the late Trias (Carnian). In the middle of the nineteenth century, geologist Professor Ebenezer Emmons discovered several reptilian teeth in the colliery of the Chatham company in North Carolina. In 1856, the fossils in his collection were described by paleontologist Joseph Leidy. Leidy...
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http://en.wikipedia.org/wiki/Omosaurus

Omosaurus This nomenclature (forelimb lizard) is no longer recognized by scientists because they found that it described an animal that was previously given another name which is Dacentrurus. Named by British anatomist Sir Richard Owen, 1875/Joseph Leidy, 1856.
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http://www.wordinfo.info/words/index/info/view_unit/2727/24
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