Unique 31++ Diplodocus Brontosaurus. Diplodocus had very powerful back legs! Join me at shredder's zoo to find out more. Overview and key difference 2. Similarities between brontosaurus and diplodocus. Diplodocus Brontosaurus - Brontosaurus Transparent Png Images Pngbarn Diplodocus ceramic planter with a tray, dinosaur planter, dino planter, succulent planter, animal planter, dinosaur decor, dinosaur birthday. Instead of size and intelligence, diplodocus developed faster maximum speed and greater endurance.