Look up · dinosaur 32 of 1,425
early long-neck
Agrosaurus
Say it like this: “AG-roh-SOR-us”
Agrosaurus macgillivrayi
Agrosaurus ate plants and walked on two legs. It lived in the Late Triassic. Bones have been found in the United Kingdom.
- When
- Late Triassic (Rhaetian) · roughly 205.7 to 201.4 million years ago
- Named in
- 1891 · Seeley, H. G.
- Hip height
- Not established
- Length
- 3 m · 10 ft
- Weight
- Not established
- Found in
- the United Kingdom · Magnesian Conglomerate
- Food and walking
- Herbivore · Two legs
- Kind
- early long-neck · Sauropodomorph
- Family branch
- Sauropodomorpha
The story in short
Agrosaurus was formally named in 1891 by H. G. Seeley. The name means “field lizard.”
Fossils referred to Agrosaurus date to the Late Triassic (Rhaetian), roughly 205.7 to 201.4 million years ago. Finds come from the United Kingdom, including the Magnesian Conglomerate Formation. It was a herbivore and walked on two legs.
Published estimates put Agrosaurus at a length near 3 m.
On the family tree it sits in Sauropodomorpha, among the early long-necked dinosaurs.
Close relatives
Ahvaytum
Ahvaytum bahndooiveche
Late Triassic (Carnian) · roughly 237 to 227.3 million years ago
Arcusaurus
Arcusaurus pereirabdalorum
Early Jurassic (Hettangian · Sinemurian) · roughly 201.4 to 192.9 million years ago
Asylosaurus
Asylosaurus yalensis
Late Triassic (Rhaetian) · roughly 205.7 to 201.4 million years ago