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Original drawing of Bajadasaurus

long-neck giant

Bajadasaurus

Say it like this: “bah-HAH-dah-SOR-us”

Bajadasaurus pronuspinax

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

When
Early Cretaceous (Valanginian) · roughly 137.1 to 132.6 million years ago
Named in
2019 · Gallina, P. A.; Apesteguía, S.; Canale, J. I.; Haluza, A.
Hip height
2.5 m · 8 ft
Length
11.5 m · 38 ft
Weight
2.2 tonnes
Found in
Argentina · Bajada Colorada
Food and walking
Herbivore · Four legs
Kind
long-neck giant · Sauropod
Family branch
Dicraeosauridae

The story in short

In 2019, P. A. Gallina and colleagues published the name Bajadasaurus. The name honors a person tied to the fossil or its study.

Fossils referred to Bajadasaurus date to the Early Cretaceous (Valanginian), roughly 137.1 to 132.6 million years ago. Finds come from Argentina, including the Bajada Colorada Formation. It was a herbivore and walked on four legs.

Published estimates put Bajadasaurus at a length near 11.5 m, hips about 2.5 m high, and a body mass around 2.2 tonnes.

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

Close relatives