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This weeks #Lego #FossilFriday is #Triceratops

In 1887, brow horns and a skull roof were found by George Lyman Cannon. He sent them to Othniel Charles Marsh who thought the formation was from the Pliocene, belonged to a weird bison, which he named Bison alticornis.

In 1888 OCM published on the dinosaur genus Ceratops.

In 1888 John Bell Hatcher found a more complete skull and OCM renamed Bison alticornis, Ceratops horridus. After seeing the nasal horn, he renamed it Triceratops horridus.