An Early Cretaceous enantiornithine (Aves) preserving an unlaid egg and probable medullary bone
The fossil record of the reproductive traits of early birds is limited. Here, Bailleul and colleagues describe the Cretaceous enantiornithine bird Avimaia schweitzerae, which preserves an unlaid egg in the abdominal cavity and putative medullary bone.
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Auteurs principaux: | Alida M. Bailleul, Jingmai O’Connor, Shukang Zhang, Zhiheng Li, Qiang Wang, Matthew C. Lamanna, Xufeng Zhu, Zhonghe Zhou |
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Format: | article |
Langue: | EN |
Publié: |
Nature Portfolio
2019
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Sujets: | |
Accès en ligne: | https://doaj.org/article/312fc03f92994e3eb2fe60c66749059e |
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