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Euoplocephalus

By , About.com Guide

Euoplocephalus (Wikimedia Commons)

Name:

Euoplocephalus (Greek for "well-armored head"); pronounced YOU-oh-plo-SEFF-ah-luss

Habitat:

Woodlands of North America

Historical Period:

Late Cretaceous (70-65 million years ago)

Size and Weight:

About 20 feet long and 2 tons

Diet:

Plants

Distinguishing Characteristics:

Large spines on back; clubbed tail; armored eyelids

About Euoplocephalus:

Probably the most evolved of all the ankylosaurs, Euoplocephalus was the Cretaceous equivalent of the Batmobile: this dinosaur's back, head and sides were completely armored, even its eyelids, and it had a prominent club on its tail. One can imagine that the predators of the time (such as T. Rex) went after easier prey, since the only way to kill and eat a Euoplocephalus was to somehow flip it onto its back and dig into its soft belly.

Although Ankylosaurus gets all the press, Euoplocephalus is the best-known ankylosaur among paleontologists, with the discovery of over 40 more-or-less complete skeletons (including about 15 skulls). Since the remains of multiple Euoplocephaluses have never been found heaped together, it's likely that this herbivore led a solitary lifestyle, though some experts believe it roamed the North American plains in herds.

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