AnchisauriaDinosauriaEarly CretaceousEusaurischiaEusauropodaGravisauriaLate CretaceousLithostrotiaMacronariaMassopodaNeosauropodaPlateosauriaSaurischiaSauropodaSauropodiformesSauropodomorphaSomphospondyliSouth AmericaTitanosauriaTitanosauriformes

Tiamat valdecii

Dinosaur: Tiamat valdecii

Cretaceous: 113–93.9 Ma
Type: Sauropod

Length*:9 m29.5 ft
Weight*:2.2 tons4,850 lb
ESR: 2 / 4 (estimated size reliability)
*The largest known specimen



Sources

Material: 7 caudal vertebrae and partial neural arch.
References: Pereira et al. (2024). "A new sauropod species from north-western Brazil: biomechanics and the radiation of Titanosauria (Sauropoda: Somphospondyli)".

Locations

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