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bird-hipped dinosaur
Regnosaurus
Say it like this: “REG-noh-SAWR-us”
Regnosaurus northamptoni
Regnosaurus ate plants and walked on 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
- 1848 · Mantell, G. A.
- Hip height
- Not established
- Length
- 4 m · 13 ft
- Weight
- Not established
- Found in
- the United Kingdom · Grinstead Clay
- Food and walking
- Herbivore · Four legs
- Kind
- bird-hipped dinosaur · Ornithischian
- Family branch
- Thyreophora
The story in short
The genus Regnosaurus dates to 1848, the year G. A. Mantell described it. The name means “sussex lizard.”
Fossils referred to Regnosaurus date to the Early Cretaceous (Valanginian), roughly 137.1 to 132.6 million years ago. Finds come from the United Kingdom, including the Grinstead Clay Formation. It was a herbivore and walked on four legs.
Published estimates put Regnosaurus at a length near 4 m.
On the family tree it sits in Thyreophora, among the bird-hipped dinosaurs.
Close relatives
Bienosaurus
Bienosaurus lufengensis
Early Jurassic (Hettangian · Sinemurian) · roughly 201.4 to 192.9 million years ago
Emausaurus
Emausaurus ernsti
Early Jurassic (Toarcian) · roughly 184.2 to 174.7 million years ago
Jakapil
Jakapil kaniukura
Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago