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long-neck giant
Menucocelsior
Menucocelsior arriagadai
Menucocelsior ate plants and walked on four legs. It lived in the Late Cretaceous. Bones have been found in Argentina.
- When
- Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
- Named in
- 2021 · Rolando, M. A.; García Marsà, J. A.; Agnolín, F. L.; Motta, M. J.; Rozadilla, S.; Novas, F. E.
- Hip height
- 2.1 m · 7 ft
- Length
- 8 m · 26 ft
- Weight
- 6 tonnes
- Found in
- Argentina · Allen
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Eutitanosauria
The story in short
The genus Menucocelsior dates to 2021, the year M. A. Rolando and colleagues described it. The name means “watering hole.”
Fossils referred to Menucocelsior date to the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from Argentina, including the Allen Formation. It was a herbivore and walked on four legs.
Published estimates put Menucocelsior at a length near 8 m, hips about 2.1 m high, and a body mass around 6 tonnes.
On the family tree it sits in Eutitanosauria, among the sauropod dinosaurs.