Mamenchisaurus: quick facts
Mamenchisaurus, the largest known dinosaur from Asia, has the longest known neck of any dinosaur, measuring up to 36 feet and containing 19 vertebrae. The vertebrae are similar to those found in Omeis
Period
Late Jurassic
Diet
Herbivore
Length
Total length 69 feet (21 meters);
Weight
60,000 pounds (27,216 kg)
Family
Euhelopodidae
Reference background: Natural History Museum, London — Dinosaurs; Smithsonian National Museum of Natural History — Dinosaurs; American Museum of Natural History — Dinosaurs & Fossils. Figures are typical published ranges; taxonomy follows the source era and modern consensus is noted where it differs. See our sources & fact-check policy.