Key Information
Mamenchisaurus
| Species | Mamenchisaurus constructus, Mamenchisaurus hochuanensis, Mamenchisaurus sinocanadorum, Mamenchisaurus youngi, Mamenchisaurus anyuensis, Mamenchisaurus jingyanensis, Mamenchisaurus yunnanensis, and possible Mamenchisaurus guangyuanensis |
| Diet | Herbivore |
| Length | 43 to 85 ft (possibly up to 115 ft) |
| Height | Possibly up to 15ft (to shoulder) |
| Weight | 5 to 25 tonnes |
| Timescale | Late Jurassic (Possibly Early Cretaceous as well) |
| Classification | Saurischia > Sauropodomorpha > Sauropoda > Mamenchisauridae |
Learning Point
- Mamenchisaurus was a giant dinosaur with an incredibly long neck, even longer than a giraffe’s! It lived a long, long time ago and munched on tall trees and plants. Its super-long neck helped it reach the highest leaves, like a giant leafy salad bar. It was one of the biggest plant-eating dinosaurs to ever walk the Earth.
Project
- Draw a heard of Mamenchisaurus as they migrate.
Location
| Confirmed | China |
| Unconfirmed | Thailand |
Fun Facts
- The name Mamenchisaurus means “Mamenchi lizard” from where it was found, and uses three Chinese words that were meant to refer to where it was found, “Mǎmíngxī, but the discover mixed it up and create a name that means “horse-gate brook“.
- Mamenchisaurus had one of the longest necks of any dinosaur!
- Many Mamenchisaurus fossils have been found in China.
- Its super long neck was made up of many, many neck bones, called vertebrae.
Past Lessons
| 189 | March 24, 2025 | (North America) |