Pterosaur egg with a leathery shell

Qiang Ji (), Shu-An Ji, Yen-Nien Cheng, Hai-Lu You, Jun-Chang Lü, Yong-Qing Liu and Chong-Xi Yuan
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Qiang Ji: Nanjing University
Shu-An Ji: Institute of Geology, Chinese Academy of Geological Sciences
Yen-Nien Cheng: National Museum of Natural Sciences
Hai-Lu You: Institute of Geology, Chinese Academy of Geological Sciences
Jun-Chang Lü: Institute of Geology, Chinese Academy of Geological Sciences
Yong-Qing Liu: Institute of Geology, Chinese Academy of Geological Sciences
Chong-Xi Yuan: School of Earth Sciences and Resources, China University of Geosciences

Nature, 2004, vol. 432, issue 7017, 572-572

Abstract: Abstract The recent discovery of a pterosaur egg with embryonic skeleton and soft tissues from the Yixian Formation confirmed that the flying pterosaurs were oviparous1. Here we describe another pterosaur egg whose exquisite preservation indicates that the shell structure was soft and leathery.

Date: 2004
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DOI: 10.1038/432572a

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