noun
- plural of apatosaur; large sauropod dinosaurs of the Jurassic period, characterized by long necks, long tails, and massive bodies
Usage: paleontology; commonly called brachiosaurus in older texts, though now recognized as a distinct genus
Examples
- Apatosaurs were among the largest land animals ever to exist.
- The museum's fossil collection includes several apatosaur skeletons.
- Apatosaurs roamed North America during the Late Jurassic period.
- These massive apatosaurs could weigh up to 30 tons.
- Scientists study apatosaur fossils to understand how giant dinosaurs moved and fed.