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New Triassic reptile fossil challenges feather evolution timeline with its 247-million-year-old feather-like structures.
A newly discovered Triassic reptile, Mirasaura grauvogeli, found in northeastern France, has a large crest with feather-like structures, challenging theories about the evolution of feathers.
The fossil, dating back 247 million years, shows appendages rich in melanosomes similar to those in feathers, suggesting complex skin appendages may have evolved earlier than previously thought.
Researchers from multiple countries analyzed the fossils, originally discovered in the 1930s and donated in 2015.
This discovery indicates that feather-like structures were present long before the first feathered dinosaurs, suggesting a deeper understanding of their evolutionary origins.
El nuevo fósil de reptil del Triásico desafía la línea de tiempo de evolución de las plumas con sus estructuras parecidas a plumas de 247 millones de años de antigüedad.