Triceratops horridus, horn on base Iguanodon plates and illustrations

plates and illustrations

Adena sites are concentrated in a relatively small area - maybe 300 sites in the central Ohio Valley

was found in Boulder

Alnif region

This replica is made from one of the first dinosaur eggs ever discovered

Triceratops horridus, horn on base Iguanodon plates and illustrationsTriceratops horridus Brow horn This horn is 28 inches long and 23 inches in circumference near the base. It is from the Cretaceous age Lance Formation of Wyoming. Just look at all of the blood grooves on this fantastic horn. Like antlers and horns on modern day mammals, Triceratops horns were probably used more for show (and thus mate selection) than for defense. But if you would rather forget we said that and instead reminisce on the more romantic T.