Sauropod dinosaur
Apatosaurus
This is Apatosaurus, a giant plant-eating dinosaur from the Late Jurassic.
Look at its long neck, long tail and four sturdy, pillar-like legs.
Explore it in the 3D museum →
Meet this animal
- When it lived
- Late Jurassic (about 152–145 million years ago)
- Fossil discovery regions
- western United States, North America
- Size
- 21–24 metres
- Diet
- Plant-eater
- Classification
- Sauropod dinosaur
Apatosaurus was a sauropod on the diplodocoid branch of the dinosaur family tree. Four pillar-like legs supported its huge body, while its long neck and tail made a striking outline. Length estimates vary between species and individual fossils.
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