Autor: |
Qiang Ji, Shu-An Ji, Yen-Nien Cheng, Hai-Lu You, Jun-Chang Lü, Yong-Qing Liu, Chong-Xi Yuan |
Předmět: |
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Zdroj: |
Nature; 12/2/2004, Vol. 432 Issue 7017, p572-572, 1p |
Abstrakt: |
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 structure was soft and leathery. [ABSTRACT FROM AUTHOR] |
Databáze: |
Complementary Index |
Externí odkaz: |
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