Late
Cretaceous
North America
15 feet long Was the largest member
of the 'Bonehead' family. The top of the head
was 10 inches thick and may have been used
like modern mountain goats for male head-butting.
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If you
have enjoyed these games please come to our Gem & Mineral
Show 'LITHORAMA 2006'
See the 'LITHORAMA' Page on the web site.