Growing pains

Like the other members of its family, Stegoceras were thought to head-butt each other in a mating display, but now this appears not to be the case. Palaeontologists have looked at the remains of Stegoceras skulls and discovered soft tissue. In the past, this was thought to absorb the impact of blows, but now we know that it is, in fact, a sign of bone growth - the remains being investigated were from young Stegoceras! Older ones don't have this softer material.

TRIASSIC

JURASSIC

fact fife

How to say it STEG-o-ser-as Meaning of name Horny roof

^ere found Canada, USA

He.ght 5 metres O6.5 feet)

Weight 78 kilograms i

Food Plants ^^ pounds>

Spec/a/features Thick skull

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