Scientists have identified a massive new dinosaur in Thailand • FRANCE 24 English

Key Concepts

• Nakatitan chayuensis: A newly identified species of long-necked herbivorous dinosaur.
• Sauropod: A group of large, long-necked, herbivorous dinosaurs.
• Paleontology: The study of fossils to understand prehistoric life.
• Excavation: The process of uncovering archaeological or paleontological remains.
• Predation: The biological interaction where one organism kills and eats another.

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Discovery and Classification

Scientists have officially identified a massive new dinosaur species, Nakatitan chayuensis, following the discovery of fossilized remains in the Chaiyaphum region of Thailand. The findings were formally published in the journal Scientific Reports. The name is derived from three distinct sources: "Naga" (a serpent from Southeast Asian folklore), "Titan" (from Greek mythology), and "Chaiyaphum" (the Thai province where the fossils were unearthed).

Physical Characteristics and Size Estimation

Nakatitan chayuensis is recognized as the largest dinosaur ever discovered in Southeast Asia. Despite the recovery of a limited number of bones, researchers successfully utilized key skeletal elements—specifically the front and hind legs—to calculate the animal's dimensions.

• Length: Approximately 27 meters.
• Weight: Estimated between 26 and 27 metric tons, which researchers equate to the mass of nine adult elephants.

Excavation Timeline

The discovery process spanned nearly a decade:

• 2016: Initial discovery of the fossils.
• 2024: Completion of the excavation process.
• Current Status: A life-sized reconstruction of the dinosaur is currently on public display at a museum in Bangkok.

Ecological Niche and Behavior

As a long-necked herbivore, Nakatitan chayuensis spent the majority of its time browsing at the tops of trees. Due to its massive size (27 tons), it occupied a position at the top of the food chain with minimal threat from predators. While researchers noted the presence of a large carnivore in the same habitat, that predator weighed only 3 to 4 tons, making it significantly smaller and unlikely to pose a threat to a fully grown Nakatitan.

Synthesis and Conclusion

The identification of Nakatitan chayuensis represents a significant milestone in Southeast Asian paleontology. By successfully reconstructing the size and ecological role of this massive sauropod from partial remains, researchers have provided new insights into the prehistoric biodiversity of Thailand. The discovery highlights the importance of long-term excavation projects and the value of using specific skeletal markers to estimate the scale of extinct megafauna.