Omeisaurus
Omeisaurus (meaning "Omei lizard") is a genus of sauropod dinosaur from the Middle Jurassic Period (Bathonian-Callovian stage) of what is now China. Its name comes from Mount Emei, where it was discovered in the lower Shaximiao Formation of Sichuan Province.
| Omeisaurus Temporal range: | |
|---|---|
| O. tianfuensis on display in Hong Kong | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | †Sauropodomorpha |
| Clade: | †Sauropoda |
| Family: | †Mamenchisauridae |
| Genus: | †Omeisaurus Young, 1939 |
| Type species | |
| †Omeisaurus junghsiensis Young, 1939 | |
| Species | |
| |
Like most sauropods, Omeisaurus was herbivorous and large. The largest species, O. tianfuensis, measured 18–20.2 metres (59–66 ft) long, and weighed 8.5–9.8 metric tons (9.4–10.8 short tons). Other species were much smaller, as the type species O. junghsiensis reached a size of 14 metres (46 ft) in length and 4 metric tons (4.4 short tons) in body mass, and O. maoianus reached a size of 15 metres (49 ft) and 5 metric tons (5.5 short tons).
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