Triunfosaurus

Say it like this: “tree-UN-fo-SOR-us”

Triunfosaurus leonardii

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

Quiz me on Triunfosaurus

When: Early Cretaceous (Berriasian · Valanginian · Hauterivian) · roughly 143.1 to 125.8 million years ago
Named in: 2017 · Carvalho, I. S.; Salgado, L.; Lindoso, R. M.; de Araújo-Júnior, H. I.; Costa Nogueira, F. C.; Soares, J. A.
Hip height: 4.5 m · 15 ft
Length: 21 m · 69 ft
Weight: 17 tonnes
Found in: Brazil · Rio Piranhas
Food and walking: Herbivore · Four legs
Kind: long-neck giant · Sauropod
Family branch: Somphospondyli

The story in short

The genus Triunfosaurus dates to 2017, the year I. S. Carvalho and colleagues described it. The name honors a person tied to the fossil or its study.

Fossils referred to Triunfosaurus date to the Early Cretaceous (Berriasian · Valanginian · Hauterivian), roughly 143.1 to 125.8 million years ago. Finds come from Brazil, including the Rio Piranhas Formation. It was a herbivore and walked on four legs.

Published estimates put Triunfosaurus at a length near 21 m, hips about 4.5 m high, and a body mass around 17 tonnes.

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

Close relatives

Abdarainurus

Abdarainurus barsboldi

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

Angolatitan

Angolatitan adamastor

Late Cretaceous (Coniacian) · roughly 89.8 to 85.7 million years ago

Arkharavia

Arkharavia heterocoelica

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