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Jurassic Storms Likely Killed Baby Pterosaurs, Study Finds

Peer‑reviewed work in Current Biology ties Solnhofen’s juvenile‑heavy record to storm‑driven selective preservation.

Overview

  • A University of Leicester team examined two tiny Pterodactylus hatchlings from Germany’s Solnhofen Limestones nicknamed Lucky and Lucky II.
  • Both fossils display identical clean, diagonal breaks in the humerus that researchers interpret as twisting injuries consistent with extreme wind gusts.
  • The hatchlings likely drowned in a lagoon and were rapidly buried by fine, lime‑rich sediments, yielding nearly intact, articulated skeletons.
  • The authors propose that violent storms disproportionately killed and preserved small juveniles, helping explain the rarity of adult pterosaurs at Solnhofen.
  • The study, led by Rab Smyth with co‑author David Unwin and funded by the UK Natural Environment Research Council, is published in Current Biology.