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Story summary
- Paleontologists from UCL and Thai universities described Nagatitan chaiyaphumensis on May 14, 2026.
- Its 27-metre length, 27-tonne weight and fossils—a spine, ribs, pelvis and a 1.78-metre front leg bone—indicate a mass comparable to nine Asian elephants.
- Researchers classified it as a somphospondylan Euhelopodidae sauropod from the Early Cretaceous, about 100–120 million years ago.
- Its presence in Thailand’s youngest dinosaur-bearing formation suggests it may be the region’s last large sauropod.
