Dino drama

Scientists study skulls to determine whether Triceratops and Torosaurus were two different species

By Stephen Ornes, 14:15 PM March 28, 2012




In recent years, dinosaur experts have disagreed about Triceratops and Torosaurus, plant-eating dinos. Both are notable for sporting three horns on their heads. Some scientists have argued that there’s no reason to use both names. These researchers insist that both types of animals belong to the same genus. Triceratops are young versions of the dinos, they maintain, and Torosaurus the adult form.


But Torosaurus fans, take heart — and hold on to your horns.  Torosaurus may belong to a separ...

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