Abstract
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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APA
Lindgren, J., & Kear, B. P. (2020, July 16). Hard evidence from soft fossil eggs. Nature. Nature Research. https://doi.org/10.1038/d41586-020-01732-8
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