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New research re-analyzing a 247-million-year-old Mirasaura grauvogeli fossil reveals its unique back structures weren't feathers, but a distinct, corrugated skin fan likely used for communication. This discovery, published in Nature, challenges previous assumptions and highlights the unexpected diversity of reptilian skin. The study also links Mirasaura and its relative Longisquama to the drepanosaur family, a group of tree-dwelling reptiles with unusual features. This re-evaluation, using advanced technology, underscores the evolving understanding of prehistoric creatures.

Prepared by Olivia Bennett and reviewed by editorial team.