Palaeontology: pterosaur egg with a leathery shell.
basic_science · Level V
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- Record sourced from PubMed, PMID 15577900.
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Abstract
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.
Medical subject headings
- Dinosaurs
- Egg Shell
- Embryo, Nonmammalian
- Fossils