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long-neck giant
Yamanasaurus
Yamanasaurus lojaensis
Yamanasaurus ate plants and walked on four legs. It lived in the Late Cretaceous. Bones have been found in EC.
- When
- Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
- Named in
- 2020 · Apesteguía, S.; Soto Luzuriaga, J. E.; Gallina, P. A.; Granda, J. T.; Guamán Jaramillo, G. A.
- Hip height
- 2.5 m · 8 ft
- Length
- 7 m · 23 ft
- Weight
- 1.5 tonnes
- Found in
- EC · Río Playas
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Saltasaurinae
The story in short
Yamanasaurus was formally named in 2020 by S. Apesteguía and colleagues. The name honors a person tied to the fossil or its study.
Fossils referred to Yamanasaurus date to the Late Cretaceous (Maastrichtian), roughly 72.2 to 66 million years ago. Finds come from EC, including the Río Playas Formation. It was a herbivore and walked on four legs.
Published estimates put Yamanasaurus at a length near 7 m, hips about 2.5 m high, and a body mass around 1.5 tonnes.
On the family tree it sits in Saltasaurinae, among the sauropod dinosaurs.