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beaked plant-eater
Hypselospinus
Say it like this: “HIP-sel-o-SPIEN-us”
Hypselospinus fittoni
Hypselospinus ate plants and walked on two or four legs. It lived in the Early Cretaceous. Bones have been found in the United Kingdom.
- When
- Early Cretaceous (Valanginian) · roughly 137.1 to 132.6 million years ago
- Named in
- 2010 · Norman, D. B.
- Hip height
- Not established
- Length
- 6 m · 20 ft
- Weight
- 2.5 tonnes
- Found in
- the United Kingdom · Wadhurst Clay
- Food and walking
- Herbivore · Two or four legs
- Kind
- beaked plant-eater · Ornithopod
- Family branch
- Styracosterna
The story in short
Hypselospinus was formally named in 2010 by D. B. Norman.
Fossils referred to Hypselospinus date to the Early Cretaceous (Valanginian), roughly 137.1 to 132.6 million years ago. Finds come from the United Kingdom, including the Wadhurst Clay Formation. It was a herbivore and could move on two or four legs.
Published estimates put Hypselospinus at a length near 6 m and a body mass around 2.5 tonnes.
On the family tree it sits in Styracosterna, among the ornithopod dinosaurs.
Close relatives
Bayannurosaurus
Bayannurosaurus perfectus
Early Cretaceous (Aptian) · roughly 121.4 to 113.2 million years ago
Calvarius
Calvarius rapidus
Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
Cedrorestes
Cedrorestes crichtoni
Early Cretaceous (Aptian) · roughly 121.4 to 113.2 million years ago