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The History of Dinosaurs

Dinosaurs are a diverse group of animals of the clade Dinosauria. They first appeared during the Triassic period, approximately 230 million years ago. This video gives information about the history of dinosaurs.

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Uploaded by: ( Send Message ) on 18-05-2009. Dnatube suggest users to have interest in drug testing, mesothelioma, insurance, medical lawyers.

Duration: 6m 41s

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