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New Species of Long-Necked Dinosaur Identified in Thailand
The find from a single vertebra expands the mamenchisaurid record beyond China and helps clarify sauropod diversity in Southeast Asia.
- Researchers including Dr. Apirut Nilpanapan of Mahasarakham University announced the discovery of Uragasaurus kalasinensis in a study published Wednesday, July 8, 2026, in the journal Scientific Reports.
- This mamenchisaurid species, the first formally named in Thailand, challenges previous understandings that this group of long-necked sauropods was almost exclusively restricted to East Asia.
- Catalogued as PRC 460, the anterior dorsal vertebra features a honeycomb-like internal structure that helped reduce the giant animal's bone weight around 150 million years ago.
- The find links Thailand's Phu Noi vertebrate assemblage to fossil faunas in China's Junggar and Sichuan basins, confirming the region was part of a wider, connected prehistoric landscape.
- Ongoing excavations in the Phu Kradung Formation may offer further insights into how these massive sauropods diversified and dispersed across prehistoric Southeast Asia during the Late Jurassic period.
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The vertebra was found in the Phu Kradung Formation and allowed scientists to document the finding
·Buenos Aires, Argentina
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A new giant dinosaur discovered in Thailand thanks to a single vertebra
·Italy
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A single vertebrae discovered in a fossil site in Thailand was sufficient for researchers to identify a completely new species of huge, long-necked dinosaur that lived in the forests of South-East Asia some 143 million years ago.
·Bucharest, Romania
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Total News Sources35
Leaning Left5Leaning Right9Center3Last UpdatedBias Distribution53% Right
Bias Distribution
- 53% of the sources lean Right
53% Right
L 29%
C 18%
R 53%
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