Diplodocus existed for 4 million years, from 154 to 150 million years ago. This was during the late Jurassic period.
diplodocus was long
it has a long neck
Diplodocus did not have a horn. Diplodocus was a sauropod walking on all four limbs with an extremely long neck and tail.
Diplodocus.
mamenchasaurus
No, it is a sauropod. It has a long neck and tail and walked on all fours.
Diplodocus was up to 27 metres (90 feet) long and weighed 25 tons. Its close cousin Seismosaurus was more than twice as big.
Dinosaurs had surprisingly short lifespans. Diplodocus probably had a lifespan of about 30 years.
Well a Diplodocus is a dinosaur that has a huge body and a long neck and tail and can't possibly fly.
Velociraptor, Diplodocus, and Megalosaurus all belong to the order Saurischia. Saurischia is the lizard hipped dinosaur group, and it includes the four legged, long necked, giant suaropods like Diplodocus and the bipedal, predatory theropods like Velociraptor and Megalosaurus.
It's derived from the Greek words for "double beamed" because of the "double-beamed" formation of some of the bones in its tail.
Diplodocus was a long-necked whip-tailed dinosaur measuring about 90 feet long with a 26 foot long neck and a 45 foot long tail. It could reach up to 35 115 feet tall, and over 20 ft of that was its neck.