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long-neck giant
Barrosasaurus
Say it like this: “bah-RO-sah-SOR-us”
Barrosasaurus casamiquelai
Barrosasaurus ate plants and walked on four legs. It lived in the Late Cretaceous. Bones have been found in Argentina.
- When
- Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
- Named in
- 2009 · Salgado, L.; Coria, R. A.
- Hip height
- Not established
- Length
- 18 m · 59 ft
- Weight
- 13.5 tonnes
- Found in
- Argentina · Anacleto
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Titanosauria
The story in short
Barrosasaurus was formally named in 2009 by L. Salgado and R. A. Coria. The name honors a person tied to the fossil or its study.
It lived in the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from Argentina, including the Anacleto Formation. It was a herbivore and walked on four legs.
Published estimates put Barrosasaurus at a length near 18 m and a body mass around 13.5 tonnes.
On the family tree it sits in Titanosauria, among the sauropod dinosaurs.
Close relatives
Aegyptosaurus
Aegyptosaurus baharijensis
Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago
Andesaurus
Andesaurus delgadoi
Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago
Antarctosaurus
Antarctosaurus wichmannianus
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago