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| 作者 | Qiang Ji, Shu-An Ji, Yen-Nien Cheng, Hai-Lu You, Jun-Chang Lu, Yong-Qing Liu, Chong-Xi Yuan |
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| 出版日期 | 20021220 |
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| 著作名稱 | Pterosaur egg with a leathery shell
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| 卷 | 432: 572 (SCI) |
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| 摘要 | The recent discovery of a pterosaur egg with embryonic skeleton and soft tissues from the Yixian Formation confirmed that the flying pterosaurs were oviparous. Here we describe another pterosaur egg whose exquisite preservation indicates that the shell st |
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| 系統號 | NO000000173 |
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