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
1
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Nagatitan
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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
1
Geological formations
Khok Kruat
1
Temporal distribution
Albian (113.2–100.5 Ma)
1
Species (1)
Nagatitan chaiyaphumensis 121 Ma
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 DOI ↗
Bibliography (1)
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 DOI ↗