Asia’s First Jurassic Amphibian Track: Schoolboy spot leads to fossil first
Representative Image of a child examining ancient fossil footprints preserved in rock in Mentougou, Beijing (AI-generated image) In early 2025, 12-year-old Ni Jingchen was out exploring with his parents in Beijing's Mentougou district when he noticed two tiny marks on a slab of exposed rock. Ni already loved fossils and knew enough to realise that the strange impressions were worth a closer look, so he photographed them and shared the find online. He had no idea that his casual discovery would eventually bring professional palaeontologists to the site and reveal something scientists had never documented in Asia before. Associate professor Xing Lida of the China University of Geosciences in Beijing saw the photographs and organised a team to investigate. Their analysis showed that the slab preserved a forefoot and hind-foot track made by a small amphibian roughly 160 million years ago, during the Middle Jurassic. The animal most likely belonged to Salamandroidea, the group that inc..
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