Important sociolinguistic data and the history of the dinosaur emoji (http://unicode.org/L2/L2016/16072-jurassic-emoji.pdf)

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The carnivorous dinosaur has taken on an extraordinary archetypal meaning in our society. The Tyrannosaurus Rex is a symbol of both terror and majesty. The velociraptor is a symbol of cunning, cooperation, and swift reprisal. “T-Rexing” is used to describe the destruction of physical property.2 And the exclamation of a carnivorous dinosaur—“rawr” is widely used in numerous circumstances.3 Popular narratives, ranging from the various Jurassic World franchises, through Land of the Lost, use these creatures to demonstrate the fragility of human dominance, both as a metaphor (like humans, dinosaurs once ruled the earth), and by literally pitting humans against the more physically overpowering carnivores. A T-Rex also represents hunger.4

A properly drawn carnivorous dinosaur emoji will read onto all of the bipedal therapods that fire the imagination: T-Rex, velociraptor, allosaurus, and so on.