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long-neck giant
Rhoetosaurus
Say it like this: “REET-o-SAWR-us”
Rhoetosaurus brownei
Rhoetosaurus ate plants and walked on four legs. It lived in the Late Jurassic. Bones have been found in Australia.
- When
- Late Jurassic (Oxfordian) · roughly 161.5 to 154.8 million years ago
- Named in
- 1926 · Longman, H. A.
- Hip height
- 3.2 m · 10 ft
- Length
- 15 m · 49 ft
- Weight
- 9 tonnes
- Found in
- Australia
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Gravisauria
The story in short
The genus Rhoetosaurus dates to 1926, the year H. A. Longman described it. The name means “rhoetus lizard.”
Fossils referred to Rhoetosaurus date to the Late Jurassic (Oxfordian), roughly 161.5 to 154.8 million years ago. Finds come from Australia. It was a herbivore and walked on four legs.
Published estimates put Rhoetosaurus at a length near 15 m, hips about 3.2 m high, and a body mass around 9 tonnes.
On the family tree it sits in Gravisauria, among the sauropod dinosaurs.
Close relatives
Sanpasaurus
Sanpasaurus yaoi
Early Jurassic (Toarcian) · roughly 184.2 to 174.7 million years ago
Tazoudasaurus
Tazoudasaurus naimi
Early Jurassic (Pliensbachian · Toarcian) · roughly 192.9 to 174.7 million years ago
Volkheimeria
Volkheimeria chubutensis
Early Jurassic (Toarcian) · roughly 184.2 to 174.7 million years ago