New 31++ Diplodocus Brontosaurus. Similarities between brontosaurus and diplodocus. Recently he asked about why the diplodocus looks like a brontosaurus, and when can you please help me explain to my 3 year old what the differences are between the diplodocus, apatosaurus. Brontosaurus belongs to the genus of gigantic quadruped. There are no reviews for diplodocus yet. Diplodocus Brontosaurus - Cartoon Brontosaurus Dinosaur Diplodocus Highest Dino Stock Vector Royalty Free 1565495239 The creature is still extinct, but it.