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long-neck giant
Demandasaurus
Say it like this: “deh-MAHN-dah-SOR-us”
Demandasaurus darwini
Demandasaurus ate plants and walked on four legs. It lived in the Early Cretaceous. Bones have been found in Spain.
- When
- Early Cretaceous (Barremian · Aptian) · roughly 125.8 to 113.2 million years ago
- Named in
- 2011 · Torcida Fernández-Baldor, F.; Canudo, J. I.; Huerta, P.; Montero, D.; Pereda-Suberbiola, X.; Salgado, L.
- Hip height
- 2.4 m · 8 ft
- Length
- 9 m · 30 ft
- Weight
- 2 tonnes
- Found in
- Spain · Castrillo de la Reina
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Rebbachisaurinae
The story in short
The genus Demandasaurus dates to 2011, the year F. Torcida Fernández-Baldor and colleagues described it. The name means “demanda lizard.”
It lived in the Early Cretaceous (Barremian · Aptian), roughly 125.8 to 113.2 million years ago. Finds come from Spain, including the Castrillo de la Reina Formation. It was a herbivore and walked on four legs.
Published estimates put Demandasaurus at a length near 9 m, hips about 2.4 m high, and a body mass around 2 tonnes.
On the family tree it sits in Rebbachisaurinae, among the sauropod dinosaurs.
Close relatives
Nigersaurus
Nigersaurus taqueti
Early Cretaceous (Aptian · Albian) · roughly 121.4 to 100.5 million years ago
Rebbachisaurus
Rebbachisaurus garasbae
Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago
Tataouinea
Tataouinea hannibalis
Early Cretaceous (Albian) · roughly 113.2 to 100.5 million years ago