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21 April 2026 EN sciencedaily Voir la traduction

These tiny dinosaur fossils fooled scientists for 20 years

armure os croissance fossile Ankylosauria Dinosauria découverte

Tiny dinosaur fossils that puzzled scientists for over 20 years have finally revealed their true identity. Rather than belonging to a miniature species, they are actually baby ankylosaurs—some less than a year old, including a possible hatchling. By studying bone growth patterns, researchers confirmed these young dinosaurs hadn’t yet developed into full-sized adults. The discovery sheds new light on how ankylosaurs grew, showing they began developing armor surprisingly early.

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