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What do you call a brand new dinosaur with a heart-shaped frill? A ladies' lizard? A sexysaurus? No, those names are both dumb and uninspired. If you're paleontologist Nicholas Longrich, you go for something with more pizzazz. 

Meet Mojosaurus, the horned dino with a heart of gold and a head of… heart. 

The frills often found on Ceratopsidae were originally thought to be defensive in nature, protecting the creature's vulnerable neck area from the likes of Tyrannosaurus and similarly large and dangerous predators. The more that we dig, though, the more convincing it seems that the plates on stegosaurs, the headgear on hadrosaurs and the frills on horned dinosaurs served an equally important (if not more important) role as objects of sexual desire for the fairer dinosaur sex. Much like the plumage of a peacock, these accessories likely served the chief purpose of attracting a mate, even if it served another important function such as keeping the dino alive long enough to find a mate. Sure, it's nice to have a frill protecting your neck when a T. rex is coming at you, but if the lady dinosaurs think it looks cool too, all the better right? 

I'm not sure how practical the heart-shaped frill was for the Mojosaurus, but, then again, how practical was James Dean's leather jacket? The point is that it looks cool and I'm sure that Mojo's iPhone had the numbers or many a female dinosaur to prove exactly that! [Discovery.com]
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