The Discovery
Northeastern Thailand is experiencing a surge in paleontological activity, often described as a regional "dinosaur rush." The area contains the country's richest fossil deposits, offering experts fresh insight into prehistoric life. Recently, researchers confirmed two new species from specimens preserved in the dry soil: South-East Asia's largest dinosaur, Nagatitan chaiyaphumensis, and a long-necked dinosaur named Uragasaurus kalasinensis. Led by scientists at Mahasarakham University, ongoing fieldwork at locations like Phu Wiang National Park aims to confirm the country's 16th dinosaur species in the near future.
What Scientists Found
The recently identified fossils highlight remarkable ancient plant-eaters that once roamed the area:
- Nagatitan chaiyaphumensis: A 27-tonne herbivore that lived 100 to 120 million years ago. Its name derives from a South-East Asian folklore serpent, a Greek mythological giant, and Chaiyaphum province.
- Uragasaurus kalasinensis: A long-necked plant-eater reaching up to 20 meters in length that lived roughly 150 million years ago, representing the first dinosaur of its kind recognized in Thailand.
Many confirmed specimens were originally dug up a decade or more ago, requiring extended laboratory analysis and verification before formal identification. Countless additional bones, including spine and leg fragments, remain stored on university shelves or buried underground.
Why It Matters
These discoveries provide essential evidence that fills a geological missing link around the transition between the Jurassic and Cretaceous periods, approximately 140 million years ago. Northeastern Thailand is uniquely suited for preserving these remains due to its dry climate, sparse vegetation, and favorable sedimentary rock layers. Beyond scientific importance, the fossil finds are encouraging a fledgling dinosaur tourism industry in a historically poor, rural region. Museums in Kalasin province and Khon Kaen attract significant crowds annually. Nevertheless, paleontologists face ongoing obstacles, including limited funding and small research teams to conduct costly remote digs.
Source: dinosaur fossil discovery - BingNews · Published October 10, 2026 · Photo by Alex Gallegos on Unsplash