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long-neck giant
Omeisaurus
Say it like this: “UH-may-SAWR-us”
Omeisaurus junghsiensis
Omeisaurus ate plants and walked on four legs. It lived in the Middle Jurassic · Late Jurassic. Bones have been found in China.
- When
- Middle Jurassic · Late Jurassic (Bajocian–Oxfordian) · roughly 170.9 to 154.8 million years ago
- Named in
- 1939 · Young, C. C.
- Hip height
- 3 m · 10 ft
- Length
- 14–20.2 m · 46–66 ft
- Weight
- 4–9.8 tonnes
- Found in
- China · Shaximiao
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Mamenchisauridae
The story in short
In 1939, C. C. Young published the name Omeisaurus. The name means “omei lizard.”
It lived in the Middle Jurassic · Late Jurassic (Bajocian–Oxfordian), roughly 170.9 to 154.8 million years ago. Finds come from China, including the Shaximiao Formation. It was a herbivore and walked on four legs.
Published estimates put Omeisaurus at a length near 14–20.2 m, hips about 3 m high, and a body mass around 4–9.8 tonnes.
On the family tree it sits in Mamenchisauridae, among the sauropod dinosaurs.
This entry is the whole genus. The type species is Omeisaurus junghsiensis. Other named species include Omeisaurus tianfuensis, Omeisaurus jiaoi, and Omeisaurus puxiani.
Other species with this name
- Omeisaurus junghsiensis
- Omeisaurus tianfuensis
- Omeisaurus jiaoi
- Omeisaurus puxiani
Close relatives
Analong
Analong chuanjieensis
Middle Jurassic (Bajocian) · roughly 170.9 to 168.2 million years ago
Anhuilong
Anhuilong diboensis
Middle Jurassic (Aalenian–Callovian) · roughly 174.7 to 161.5 million years ago
Chuanjiesaurus
Chuanjiesaurus anaensis
Middle Jurassic (Bajocian) · roughly 170.9 to 168.2 million years ago