Apatosaurus

Late Jurassic (157-146 Ma)HerbivoreSauropoda

PeriodLate Jurassic (157-146 Ma)

DietHerbivore

Length23 m

Weight22,000 kg

LocationWestern North America

ClassificationSauropoda

About Apatosaurus

Formerly confused with Brontosaurus (which is now recognized as a separate genus). One of the largest land animals ever, with a whip-like tail that may have broken the sound barrier. Its neck had 15 vertebrae and was held mostly horizontal, not vertically. Juveniles could walk on hind legs.

Size

23 m longArgentinosaurus: 35 m

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