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How ancient reptile footprints are rewriting the history of when animals evolved to live on land

  • In 2021 near Mansfield, Victoria, fossil enthusiasts discovered a sandstone slab with ancient reptile-like footprints dated around 356 million years ago.
  • This discovery challenges previous timelines by pushing back the origin of amniotes, land-living animals with claws, by at least 35 million years.
  • The footprints show clear five-fingered hands and hooked claws, characteristic of early reptiles able to reproduce away from water using amniotic eggs.
  • John Long suggested that the fossilized footprints may represent the oldest evidence of a reptile moving on terrestrial ground, although some specialists remain cautious and propose that the claw marks might not definitively confirm true land-based locomotion.
  • If confirmed, this find implies a significant evolutionary shift occurred earlier than thought, influencing the understanding of tetrapod origins and terrestrial adaptation.
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The Conway Daily SunThe Conway Daily Sun
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Amateur fossil hunters find evolution-altering discovery

The earliest reptile footprints were found by two amateur paleontologists in Australia.

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Nature broke the news in United Kingdom on Wednesday, May 14, 2025.
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