Troodon

Name means "wounding teeth" in Greek because its teeth were serrated at the apex. First discovered in 1855, Troodon was thought to have been one of the more intelligent dinosaurs due to its higher brain to body ratio.

Length	Up to 2.4 m (7.9 ft)
Weight	Up to 45 kg (99 lbs)
Period	Late Cretaceous
Location	North America