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Original drawing of Sarmientosaurus

long-neck giant

Sarmientosaurus

Say it like this: “sahr-me-en-toe-sor-us”

Sarmientosaurus musacchioi

Sarmientosaurus ate plants and walked on four legs. It lived in the Late Cretaceous. Bones have been found in Argentina.

When
Late Cretaceous (Cenomanian · Turonian) · roughly 100.5 to 89.8 million years ago
Named in
2016 · Martínez, R. D. F.; Lamanna, M. C.; Novas, F. E.; Ridgely, R. C.; Casal, G. A.; Martínez, J. E.; Vita, J. R.; Witmer, L. M.
Hip height
2.2 m · 7 ft
Length
12 m · 39 ft
Weight
10 tonnes
Found in
Argentina · Bajo Barreal
Food and walking
Herbivore · Four legs
Kind
long-neck giant · Sauropod
Family branch
Diamantinasauria

The story in short

The genus Sarmientosaurus dates to 2016, the year R. D. F. Martínez and colleagues described it. The name honors a person tied to the fossil or its study.

It lived in the Late Cretaceous (Cenomanian · Turonian), roughly 100.5 to 89.8 million years ago. Finds come from Argentina, including the Bajo Barreal Formation. It was a herbivore and walked on four legs.

Published estimates put Sarmientosaurus at a length near 12 m, hips about 2.2 m high, and a body mass around 10 tonnes.

On the family tree it sits in Diamantinasauria, among the sauropod dinosaurs.

Close relatives