Hard evidence from soft fossil eggs

被引：0
|
作者：
Johan Lindgren
Benjamin P. Kear
机构：
来源：
Nature | 2020年 / 583卷
关键词：
Palaeontology; Evolution;
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暂无
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学科分类号：
摘要：
It is thought that dinosaurs laid hard-shelled eggs, whereas ancient marine reptiles gave birth to live young. However, new discoveries of fossilized soft-shelled eggs challenge these long-held tenets of reproductive evolution.
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页码：365 / 366
页数：1
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