Amazing Horned Dinosaurs Found on 'Lost Continent'

On a "Lost Continent" that once covered much of the land now occupied by the U.S., paleontologists have discovered fossils of two new dinosaur species, relatives of the famed Triceratops.

The new Kosmoceratops has five times as many horns on its head as its cousin, making it the most ornately adorned dinosaur known to man. It and the larger-bodied, five-horned Utahceratops were giant plant-eaters that lived in "Laramidia" -- a continent formed when a shallow sea flooded the central region of North America, isolating the eastern and western portions of the continent for millions of years during the Late Cretaceous Period.
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