How long was triceratops?

A Triceratops 8 metres (26 ft) long has been estimated by Gregory S. Paul to have massed 9.3 tonnes (9.2 long tons; 10.3 short tons). It bore a single horn on the snout, above the nostrils, and a pair of horns approximately 1 m (3.3 ft) long, with one above each eye. read more

During a Triceratops' juvenile years, its horns were little stubs that curved backward; as the animal continued to grow into young adulthood, the horns straightened out; finally, the horns curved forward and grew up to 3 feet long (1 meter), probably after the dinosaur reached sexual maturity. read more

Triceratops Fast Facts. You pronounce their name 'tri-SERa-tops'. The meaning of Triceratops is 'three-horned face'. They lived in the Late Cretaceous Period. Triceratops had nose horns they used for defence. Their length was up to 9 metres (30 feet) They weighed 5 tons (about as much as a truck). read more