Apatosaurus belongs to a group of dinosaurs called the sauropods ... This specimen on display in the museum is about 75 feet long and weighed about 25 tons in life. It is approximately 60-percent ...

Apatosaurus skeleton, the largest dinosaur ever auctioned in France, has been sold for an especially high price.

Scientists believe the dinosaur, which weighed 20 tons during its life, lived in the Dampierre-en-Yvelines commune in France. The skeleton of the Apatosaurus dinosaur, named Vulcan, was discovered ...