Stegosaurus landed a low blow in dino brawl

Fossil shows that allosaurus was maimed by tail spike attack

BELOW THE BELT  The tail spike on a Stegosaurus (illustrated above) has been implicated in the death of an Allosaurus 147 million years ago.

Robert Bakker

Robert Bakker

VANCOUVER — In a story worthy of CSI: Jurassic Period, researchers have solved the mystery of what killed a predatory allosaurus dinosaur 147 million years ago.