Dinosaur-Bird Link: Ancient Proteins Preserved In Soft Tissue From 80 Million-Year-Old Hadrosaur

Friday, May 1, 2009 - 11:21 in Paleontology & Archaeology

Ancient protein dating back 80 million years to the Cretaceous geologic period has been preserved in bone fragments and soft tissues of a hadrosaur, or duck-billed dinosaur. The new findings support earlier results suggesting that collagen protein survived in the bones of a well preserved Tyrannosaurus rex, and offer robust new evidence supporting previous conclusions that birds and dinosaurs are evolutionarily related.

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