Barosaurus' tail was about 43 ft (13 m) long.
One of the smallest Fully grown when only 3 ft (1m) long, Compsognathus a carnivore, was one of the smallest dinosaurs.
• There were about thirty times more herbivores than carnivores.
• The fastest dinosaurs were the theropods, which ran on two legs.
• Dinosaurs did not fly or live in the sea.
• The sauropods were the largest dinosaurs.
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