The Probert Encyclopaedia of Nature

PACHYRHINOSAURUS

Pachyrhinosaurus was a dinosaur of the Cretaceous period. Little is known about
Pachyrhinosaurus, a skull has been discovered which was 140 centimetres long, suggesting a body of perhaps six metres length. The skull had a short neck frill at the back of the skull, like Triceratops, but was devoid of horns.
Research Pachyrhinosaurus