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
 
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Matt and Leela Probert