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long-neck giant
Inawentu
Say it like this: “ee-nah-WEN-too”
Inawentu oslatus
Inawentu ate plants and walked on four legs. It lived in the Late Cretaceous. Bones have been found in Argentina.
- When
- Late Cretaceous (Santonian) · roughly 85.7 to 83.6 million years ago
- Named in
- 2024 · Filippi, L. S.; Juárez Valieri, R. D.; Gallina, P. A.; Méndez, A. H.; Gianechini, F. A.; Garrido, A. C.
- Hip height
- 2 m · 7 ft
- Length
- 10 m · 33 ft
- Weight
- 5.5 tonnes
- Found in
- Argentina · Bajo de la Carpa
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Colossosauria
The story in short
In 2024, L. S. Filippi and colleagues published the name Inawentu.
It lived in the Late Cretaceous (Santonian), roughly 85.7 to 83.6 million years ago. Finds come from Argentina, including the Bajo de la Carpa Formation. It was a herbivore and walked on four legs.
Published estimates put Inawentu at a length near 10 m, hips about 2 m high, and a body mass around 5.5 tonnes.
On the family tree it sits in Colossosauria, among the sauropod dinosaurs.
Close relatives
Austroposeidon
Austroposeidon magnificus
Late Cretaceous (Campanian · Maastrichtian) · roughly 83.6 to 66 million years ago
Bonitasaura
Bonitasaura salgadoi
Late Cretaceous (Santonian) · roughly 85.7 to 83.6 million years ago
Chucarosaurus
Chucarosaurus diripienda
Late Cretaceous (Cenomanian · Turonian) · roughly 100.5 to 89.8 million years ago