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early long-neck
Sarahsaurus
Say it like this: “SAH-ruh-SOR-us”
Sarahsaurus aurifontanalis
Sarahsaurus ate plants and walked on two legs. It lived in the Early Jurassic. Bones have been found in the United States.
- When
- Early Jurassic (Sinemurian · Pliensbachian) · roughly 199.5 to 184.2 million years ago
- Named in
- 2011 · Rowe, T. B.; Sues, H. D.; Reisz, R. R.
- Hip height
- Not established
- Length
- 4 m · 13 ft
- Weight
- 200 kg · 441 lb
- Found in
- the United States · Kayenta
- Food and walking
- Herbivore · Two legs
- Kind
- early long-neck · Sauropodomorph
- Family branch
- Massopoda
The story in short
The genus Sarahsaurus dates to 2011, the year T. B. Rowe and colleagues described it. The name honors a person tied to the fossil or its study.
Fossils referred to Sarahsaurus date to the Early Jurassic (Sinemurian · Pliensbachian), roughly 199.5 to 184.2 million years ago. Finds come from the United States, including the Kayenta Formation. It was a herbivore and walked on two legs.
Published estimates put Sarahsaurus at a length near 4 m and a body mass around 200 kg.
On the family tree it sits in Massopoda, among the early long-necked dinosaurs.
Close relatives
Ignavusaurus
Ignavusaurus rachelis
Early Jurassic (Hettangian · Sinemurian) · roughly 201.4 to 192.9 million years ago
Kholumolumo
Kholumolumo ellenbergerorum
Late Triassic (Norian) · roughly 227.3 to 205.7 million years ago
Wudingloong
Wudingloong wui
Early Jurassic (Hettangian · Sinemurian) · roughly 201.4 to 192.9 million years ago