Original: There is dramatic evidence for allosaur attacks on Stegosaurus , including an Allosaurus tail vertebra with a partially healed puncture wound that fits a Stegosaurus tail spike , and a Stegosaurus neck plate with a U-shaped wound that correlates well with an Allosaurus snout .
Simplified: An Allosaurus tail vertebra has been found with a partially healed puncture which fits a Stegosaurus tail spike . Also , there is a Stegosaurus neck plate with a U-shaped wound that correlates well with an Allosaurus snout .