Look up · dinosaur 241 of 1,425
beaked plant-eater
Callovosaurus
Say it like this: “cah-LO-vo-SOR-us”
Callovosaurus leedsi
Callovosaurus ate plants and walked on two legs. It lived in the Middle Jurassic. Bones have been found in the United Kingdom.
- When
- Middle Jurassic (Callovian) · roughly 165.3 to 161.5 million years ago
- Named in
- 1980 · Galton, P. M.
- Hip height
- Not established
- Length
- 2.5 m · 8 ft
- Weight
- Not established
- Found in
- the United Kingdom · Oxford Clay
- Food and walking
- Herbivore · Two legs
- Kind
- beaked plant-eater · Ornithopod
- Family branch
- Dryosauridae
The story in short
The genus Callovosaurus dates to 1980, the year P. M. Galton described it. The name means “callovian lizard.”
It lived in the Middle Jurassic (Callovian), roughly 165.3 to 161.5 million years ago. Finds come from the United Kingdom, including the Oxford Clay Formation. It was a herbivore and walked on two legs.
Published estimates put Callovosaurus at a length near 2.5 m.
On the family tree it sits in Dryosauridae, among the ornithopod dinosaurs.
Close relatives
Dryosaurus
Dryosaurus altus
Late Jurassic (Kimmeridgian · Tithonian) · roughly 154.8 to 143.1 million years ago
Dysalotosaurus
Dysalotosaurus lettowvorbecki
Late Jurassic (Kimmeridgian) · roughly 154.8 to 149.2 million years ago
Elrhazosaurus
Elrhazosaurus nigeriensis
Early Cretaceous (Aptian) · roughly 121.4 to 113.2 million years ago