The Mystery of Pterosaurs: Scleromochlus and a New Perspective on Pterosaur Evolution
- 演化之聲
- Mar 14
- 5 min read
Pterosaurs were the first vertebrates to take to the skies. From the Late Triassic until the end of the Cretaceous, they occupied the air for more than 150 million years. Anyone fascinated by prehistoric life is familiar with these flying reptiles, yet the earliest stages of their evolution have long remained obscure. The fossil record reveals a considerable anatomical and temporal gap between fully developed pterosaurs and their closest relatives, leaving scientists with only fragments of the story of how powered flight first emerged among vertebrates.
In recent years, paleontologists have identified a group of small archosaurs known as Lagerpetidae as the sister lineage of pterosaurs. Together they form a broader evolutionary clade called Pterosauromorpha, which includes both lagerpetids and true pterosaurs. This discovery narrowed the evolutionary distance between pterosaurs and other reptiles and provided clues about the appearance and biology of their ancestors. Even so, many details of the transition from ground-dwelling reptiles to aerial specialists remain unresolved.
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