One of the first dinosaurs to be named, Massospondylus was long depicted as quadrupedal until a 2007 study found it to be bipedal.
It had a long neck and tail, with a small head and slender body. On each of its forefeet, it bore a sharp thumb claw that was used in defense or feeding.
- Pronounced: mass-owe-spon-die-luss
- Means: Massive spine
- Where: Southern Africa (Namibia, Zimbabwe), North America (Arizona)
- When: Early Jurassic
- Diet: Herbivorous
- Size of Adult: 13 ft (4 m) long
- Size of Animatronic Model: L10 ft 10 in (3.31 m), H 4 ft 6 in (1.38 m)*
* includes height of steel base