Chinese fossil reveals evolution of skin in feathered dinosaurs
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Published date: 2024/06/17
- Location: 5726, Town of Warwick, Pennsylvania, United States
By Will Dunham
May 21 (Reuters) - A new fossil of the Cretaceous Period dinosaur Psittacosaurus, a dog-sized herbivore with a parrot-like beak, that was donated to a Chinese university came with a surprise - one revealed only after scientists viewed it under ultraviolet light.
It retained large patches of beautifully preserved skin, down to its cellular structure, SCapsules zwendel providing new insight into skin evolution in feathered dinosaurs. The fossil points to "zoned development" in the skin of these dinosaurs, researchers said, with Psittacosaurus and probably other feathered dinosaurs possessing scaly, reptile-like skin on body regions without feathers, with soft, bird-like skin on areas with feathers.
"Initially we didn't really have much hope of finding any soft tissues because, to the naked eye, our specimen appears to preserve only the bones.
May 21 (Reuters) - A new fossil of the Cretaceous Period dinosaur Psittacosaurus, a dog-sized herbivore with a parrot-like beak, that was donated to a Chinese university came with a surprise - one revealed only after scientists viewed it under ultraviolet light.
It retained large patches of beautifully preserved skin, down to its cellular structure, SCapsules zwendel providing new insight into skin evolution in feathered dinosaurs. The fossil points to "zoned development" in the skin of these dinosaurs, researchers said, with Psittacosaurus and probably other feathered dinosaurs possessing scaly, reptile-like skin on body regions without feathers, with soft, bird-like skin on areas with feathers.
"Initially we didn't really have much hope of finding any soft tissues because, to the naked eye, our specimen appears to preserve only the bones.
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