The Dinosaurs of Wyoming - Wyoming State Geological Survey ...

THE CARNIVOROUS DINOSAURIA 95
ashore offered food for the theropods. The duck-billed dinosaurs
were in a similar case. The three-horned dinosaurs were
protected well enough to resist attacks from in front, but were
susceptible to flank or rear actions. A twenty-five foot Triceratops,
if attacked by two 48-foot tyrannosaurs, would have
little chance of escape, and so long as such huge supplies of
meat were at hand the carnivores throve. It is conceivable
that the huge quantities of flesh needed by Tyrannosaurus
was a handicap toward extinction, in the face of a diminishing
supply.