Diplodocus

Diplodocus was a massive Diplodocid sauropod from America around 180 to 145 mya.

Facts
Diplodocus was one of the longest ad largest dinosaurs ever. It was 100 to 115 feet (33 to 35 meters) long, 25 to 38 feet tall ad weighed up to 24 tonnes.In planet dinosaur it was shown in a database scene with allosaurus