A shield-toothed horse-dragon may sound like a mythical creature, but the newly described dinosaur once roamed the U.S. West, a new study says. The 125-million-year-old herbivore Hippodraco scutodens—whose partial skull and skeleton were unearthed in 2004 in eastern Utah—has a long, low skull like a horse's and a mouth filled with shield-shaped teeth. Hippo and draco are Latin for "horse" and "dragon," respectively, while scutum means "oblong shield" and dens means "tooth." (source: news.nationalgeographic.com)
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