Genus

Valid Extinct

Tangvayosaurus

Allain et al. 1999

Tangvayosaurus is a genus of sauropod dinosaur from the Lower Cretaceous Grès supérieurs Formation of Savannakhet Province, Laos. It was a basal somphospondylan, measuring about 15 m (49 ft) long, and is known from the remains of two or three individuals.

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

Dinosaur's Museum in Savannakhet, Laos © Chaoborus · CC BY-SA 3.0 · 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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Tangvayosaurus Genus

Measurements

Length

22,8 m ⓘ

Tangvayosaurus hoffeti

Mass

17 500 kg ⓘ

Tangvayosaurus hoffeti

Fossil sites 2 geolocated sites

Distribution

Top countries

🇱🇦 Laos

Geological formations

Grès supérieurs

Temporal distribution

Albian (113.2–100.5 Ma)

Species (1)

Tangvayosaurus hoffeti 121 Ma

Images 2

Bibliography

Original description

R. Allain, P. Taquet, and B. Battail, J. Dejax, P. Richir, M. Véran, F. Limon-Duparcmeur, R. Vacant, O. Mateus, P. Sayarath, B. Khenthavong, S. Phouyavong. 1999. Un nouveau genre de dinosaure sauropode de la formation des Grès supérieurs (Aptien-Albien) du Laos [A new genus of sauropod dinosaur from the Grès supérieurs Formation (Aptian-Albian) of Laos]. Comptes Rendus de l'Académie des Sciences à Paris, Sciences de la Terre et des Planètes 329:609-616 DOI ↗

Bibliography (1)

Tangvayosaurus

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