Diplodocuswas a plant eater. It did not chew, it swallowed the leaves and plantswhole. Other large meat eating dinosaurs would kill Diplodocus to eatit.

• 双棘龙是草食动物。吃东西时，它不咀嚼，而是将树叶等食物直接吞下去。一些大型食肉恐龙会捕食双棘龙。