Since 1903 , scientists have been claiming Brontosaurus does n't exist . They believe the famous species should be classified as an extinct . New study revealed the similarities between families of Diplodocid . dinosaurs had a thinner neck and slightly different bone structure .
Since 1903 , scientists have been claiming Brontosaurus does n't exist . They said the famous species should be classified as an Apatosaurus . New study calculated the differences between families of Diplodocid . Brontosaurus had a thinner neck and slightly different bone structure .