Ibirania

Say it like this: “ee-bih-RAH-nee-uh”

Ibirania parva

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

Quiz me on Ibirania

When: Late Cretaceous (Santonian · Campanian) · roughly 85.7 to 72.2 million years ago
Named in: 2022 · Navarro, B. A.; Ghilardi, A. M.; Aureliano, T.; Díaz, V. D.; Bandeira, K. L. N.; Cattaruzzi, A. G. S.; Iori, F. V.; Martine, A. M.; Carvalho, A. B.; Anelli, L. E.; Fernandes, M. A.; Zaher, H.
Hip height: 1.5 m · 5 ft
Length: 5.7 m · 19 ft
Weight: 2 tonnes
Found in: Brazil · São José do Rio Preto
Food and walking: Herbivore · Four legs
Kind: long-neck giant · Sauropod
Family branch: Saltasaurinae

The story in short

In 2022, B. A. Navarro and colleagues published the name Ibirania. The name honors a person tied to the fossil or its study.

It lived in the Late Cretaceous (Santonian · Campanian), roughly 85.7 to 72.2 million years ago. Finds come from Brazil, including the São José do Rio Preto Formation. It was a herbivore and walked on four legs.

Published estimates put Ibirania at a length near 5.7 m, hips about 1.5 m high, and a body mass around 2 tonnes.

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

Close relatives

Bonatitan

Bonatitan reigi

Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago

Loricosaurus

Loricosaurus scutatus

Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago

Neuquensaurus

Neuquensaurus australis

Late Cretaceous (Santonian · Campanian) · roughly 85.7 to 72.2 million years ago