Dinosaurs share variety of skeletal features. Apatosaurus Fossils found give us information about its length, height, weight and other features of this dinosaur. The size of dinosaurs is enormous and contradicted all the laws of physics and the reason for their huge size is still not completely identified yet. Apatosaurus Characteristics tells us about its size and shape of body. Apatosaurus size tell us that its length is 21.34-27.43 m and was 3.05-4.57 m tall. Itweighed 33000-38000 kg.