Are Diplodocus and Brontosaurus the Same?

Diplodocus and Brontosaurus were closely related. Both were plant-eaters and they probably liked to eat the same types of plants. ... Diplodocus was different from Brontosaurus in a number of ways, Diplodocus had a much longer tail and its neck was longer and more slender than Brontosaurus.

What is a Brontosaurus called now?

Scientists use the first name given to an animal, so they decided to rename the Brontosaurus to Apatosaurus because Apatosaurus came first. Scientists now know that the back bones of the Apatosaurus grew together as the animal gets bigger.

Is Diplodocus a Brachiosaurus?

Diplodocus Was Closely Related to Apatosaurus

Paleontologists still haven't agreed on a definitive classification scheme for "brachiosaurid" sauropods (i.e., dinosaurs closely related to Brachiosaurus) and "diplodocoid" sauropods (i.e., dinosaurs closely related to Diplodocus).