Palaeontologist Varavudh Suteethorn uses a pneumatic pen to excavate a dinosaur fossil at Phu Wiang National Park in Khon Kaen on August 19, 2026. Researchers have found a trove of dinosaur fossils in Khon Kaeon province, which holds the country's richest deposits, offering insight into the creatures that roamed the planet millions of years ago. (Photo by Chanakarn LAOSARAKHAM / AFP via Getty Images) / To go with AFP story Thailand-dinosaur-science, FOCUS by Montira RUNGJIRAJITTRANON

Palaeontologist Varavudh Suteethorn uses a pneumatic pen to excavate a dinosaur fossil at Phu Wiang National Park in Khon Kaen on August 19, 2026. Researchers have found a trove of dinosaur fossils in Khon Kaeon province, which holds the country's richest deposits, offering insight into the creatures that roamed the planet millions of years ago. (Photo by Chanakarn LAOSARAKHAM / AFP via Getty Images) / To go with AFP story Thailand-dinosaur-science, FOCUS by Montira RUNGJIRAJITTRANON

Suravech Suteethorn, deputy director of the Palaeontological Research and Education Centre at Mahasarakham University, stands behind a model of a dinosaur skeleton in Mahasarakham on August 18, 2026. Researchers have found a trove of dinosaur fossils in Khon Kaeon province, which holds the country's richest deposits, offering insight into the creatures that roamed the planet millions of years ago. (Photo by Chanakarn LAOSARAKHAM / AFP via Getty Images) / To go with AFP story Thailand-dinosaur-science, FOCUS by Montira RUNGJIRAJITTRANON

This picture shows a model skeleton of a Minimocursor phunoiensis at the Palaeontological Research and Education Centre at Mahasarakham University in Mahasarakham on August 18, 2026. Researchers have found a trove of dinosaur fossils in Khon Kaeon province, which holds the country's richest deposits, offering insight into the creatures that roamed the planet millions of years ago. (Photo by Chanakarn LAOSARAKHAM / AFP via Getty Images) / To go with AFP story Thailand-dinosaur-science, FOCUS by Montira RUNGJIRAJITTRANON

Students visit Phu Wiang Dinosaur Museum in Khon Kaen on August 19, 2026. Researchers have found a trove of dinosaur fossils in Khon Kaeon province, which holds the country's richest deposits, offering insight into the creatures that roamed the planet millions of years ago. (Photo by Chanakarn LAOSARAKHAM / AFP via Getty Images) / To go with AFP story Thailand-dinosaur-science, FOCUS by Montira RUNGJIRAJITTRANON

Visitors look at merchandise for sale at Phu Wiang Dinosaur Museum in Khon Kaen on August 19, 2026. Researchers have found a trove of dinosaur fossils in Khon Kaeon province, which holds the country's richest deposits, offering insight into the creatures that roamed the planet millions of years ago. (Photo by Chanakarn LAOSARAKHAM / AFP via Getty Images) / To go with AFP story Thailand-dinosaur-science, FOCUS by Montira RUNGJIRAJITTRANON

Suravech Suteethorn, deputy director of the Palaeontological Research and Education Centre at Mahasarakham University, holds a fossilized dinosaur tooth in Mahasarakham on August 18, 2026. Researchers have found a trove of dinosaur fossils in Khon Kaeon province, which holds the country's richest deposits, offering insight into the creatures that roamed the planet millions of years ago. (Photo by Chanakarn LAOSARAKHAM / AFP via Getty Images) / To go with AFP story Thailand-dinosaur-science, FOCUS by Montira RUNGJIRAJITTRANON

Suravech Suteethorn, deputy director of the Palaeontological Research and Education Centre at Mahasarakham University, arranges the fossilized neck bones of a dinosaur in Mahasarakham on August 18, 2026. Researchers have found a trove of dinosaur fossils in Khon Kaeon province, which holds the country's richest deposits, offering insight into the creatures that roamed the planet millions of years ago. (Photo by Chanakarn LAOSARAKHAM / AFP via Getty Images) / To go with AFP story Thailand-dinosaur-science, FOCUS by Montira RUNGJIRAJITTRANON