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Some 230 million years ago, an alligator-size reptile was crawling around what is now Texas with what looked like a hard hat on its head. That's according to a new analysis of the domed head of the ancient beast, a head that looks eerily like the skull of
The features of the Triopticus primus skull are shown. The reptile lived in the Triassic period but has a similar dome-shaped skull as the pachycephalosaur, which lived 100 million years later.
Dinosaurs didn't have email or text messages to keep in touch, but scientists are quite certain the beasts engaged in dialogue. Those communications likely included hoots and hollers, cracking sounds, dance and song, and even symbolic love calls.