The premaxillary teeth in the snout tip of Tyrannosaurus Rex

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The premaxillary teeth in the snout tip of Tyrannosaurus Rex and its relatives had a somewhat different action. Animatronic dinosaur for sale In many theropods these teeth were more D-shaped in cross section than the rest of the teeth, and they tended to cut out a small scoop of flesh.In tyrannosaurs the premaxillary teeth were fully D-shaped in cross section, with the flat of the D facing inward.Such teeth did not slice; instead, they cut out, like a trowel in dirt, or a cookie cutter. These D-cross-sectioned teeth were themselves aruanged in an exceptionally broad, D-shaped, semicircular array at the front of the upper jaw, and were backed by slicing teeth behind them. They would have scooped out a long, deep chunk of flesh, leaving a great, trough-shaped hemorrhaging hole in the hapless victim's sidea - a diabolically nasty wound, and one rather like those made by some modern sharks walking dinosaur costume.


There were exceptions to this slicing and punching-out way of predation. Some small theropods, such as Ornifholesfes, had more conical teeth that were built for puncturing and grabbing prey. This suggests they concentrated on picking up small animals, insects, and fish.s Of course, the blade-toothed dinosaurs would have picked up small prey also; just as wolves will hunt field mice, bigger theropods might nibble on the larger lizards and mammals they came across. realistic dinosaur costume Indeed, the early and most primitive theropods seem to have been well equipped for both small- and big-game hunting, having conical teeth up front and big blades aft.

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