Itapeuasaurus

Itapeuasaurus cajapioensis

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

When: Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago
Named in: 2019 · Lindoso, R. M.; Medeiros, M. A. A.; Carvalho, I. de S.; Pereira, A. A.; Mendes, I. D.; Iori, F. V.; Sousa, E. P.; Arcanjo, S. H. S.; Silva, T. C. M.
Hip height: 1.5 m · 5 ft
Length: 7.5 m · 25 ft
Weight: 800 kg · 1,764 lb
Found in: Brazil · Alcântara
Food and walking: Herbivore · Four legs
Kind: long-neck giant · Sauropod
Family branch: Rebbachisauridae

The story in short

Itapeuasaurus was formally named in 2019 by R. M. Lindoso and colleagues. The name honors a person tied to the fossil or its study.

Fossils referred to Itapeuasaurus date to the Late Cretaceous (Cenomanian), roughly 100.5 to 93.9 million years ago. Finds come from Brazil, including the Alcântara Formation. It was a herbivore and walked on four legs.

Published estimates put Itapeuasaurus at a length near 7.5 m, hips about 1.5 m high, and a body mass around 800 kg.

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

Close relatives

Agustinia

Agustinia ligabuei

Early Cretaceous (Albian) · roughly 113.2 to 100.5 million years ago

Amazonsaurus

Amazonsaurus maranhensis

Early Cretaceous (Aptian · Albian) · roughly 121.4 to 100.5 million years ago

Astigmasaura

Astigmasaura genuflexa

Late Cretaceous (Cenomanian · Turonian) · roughly 100.5 to 89.8 million years ago