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Thursday, July 24, 2008 |
Thursday, July 24, 2008 |
Photo: "Feathered" Dinosaur Was Bald, Not Bird Ancestor, Controversial Study SaysNew analysis of another fossil of this turkey-size dino species (model at bottom) concludes that the features are actually the remains of collagen fibers and that the dinosaur was bald. The work casts a shadow on the popular theory that Sinosauropteryx and other members of the dinosaur group known as therapods are the ancestors of modern birds. Photographs by O. Louis Mazzatenta/NGS
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