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Exceptional dinosaur fossils show ontogenetic development of early feathers

Xing Xu (), Xiaoting Zheng () and Hailu You
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Xing Xu: Key Laboratory of Evolutionary Systematics of Vertebrates, Institute of Vertebrate Paleontology & Paleoanthropology, Chinese Academy of Sciences, 142 Xiwai Street, Beijing 100044, China
Xiaoting Zheng: Shandong Tianyu Museum of Nature, Pingyi, Shandong 273300, China
Hailu You: Institute of Geology, Chinese Academy of Geological Sciences, 26 Baiwanzhuang Road, Beijing 100037, China

Nature, 2010, vol. 464, issue 7293, 1338-1341

Abstract: Dinosaurs' varied feathers Two exceptionally well-preserved specimens of the feathered dinosaur Similicaudipteryx, preserved at different stages of development, show that the morphology of dinosaur feathers changed dramatically as the animals matured. In addition, the morphology of feathers in dinosaurs was much more varied than one would expect from what we know of feathers in extant birds.

Date: 2010
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DOI: 10.1038/nature08965

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