Genus

Valid Extinct

Nagatitan

Sethapanichsakul et al. 2026

Nagatitan is an extinct genus of euhelopodid sauropod dinosaur known from the Early Cretaceous Khok Kruat Formation of Thailand. The genus contains a single species, Nagatitan chaiyaphumensis, known from a partial skeleton. Nagatitan is a large sauropod, with an estimated body length of 27 metres (89 ft) and mass of approximately 27 tonnes, making it the largest dinosaur known from Southeast Asia.

Temporal range

Triassic

Jurassic

Cretaceous

Paleogene

Neogene

252 201 145 66 0 Ma

PBDB occurrences

Group

Dinosaures

Herbivore Ground dwelling, gregarious Terrestrial

click to enlarge

Life reconstruction of Nagatitan chaiyaphumensis © Connor Ashbridge · CC BY 4.0 · Wikimedia

PBDB ↗ Wikipedia ↗

Classification

Dinosauria Unranked clade

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Saurischia Unranked clade

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Sauropodomorpha Unranked clade

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Massopoda Unranked clade

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Sauropodiformes Unranked clade

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Sauropoda Unranked clade

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Gravisauria Unranked clade

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Eusauropoda Unranked clade

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Neosauropoda Unranked clade

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Macronaria Unranked clade

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Titanosauriformes Unranked clade

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Somphospondyli Unranked clade

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Euhelopodidae Unranked clade

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Nagatitan Genus

Fossil sites 1 geolocated sites

Distribution

Top countries

🇹🇭 Thailand

Geological formations

Khok Kruat

Temporal distribution

Albian (113.2–100.5 Ma)

Species (1)

Nagatitan chaiyaphumensis 121 Ma

Images 1

Bibliography

Original description

T. Sethapanichsakul, S. Khansubha, and S. Manitkoon, R. Hanta, P. D. Mannion, P. Upchurch. 2026. The first sauropod dinosaur from the Lower Cretaceous Khok Kruat Formation of Thailand enriches the diversity of somphospondylan titanosauriforms in southeast Asia. Scientific Reports 16(1):12467:1-27 DOI ↗

Bibliography (1)

Nagatitan

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