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Rat Crocs

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Way cool cross with bizarre, "mammal-like" dentition are relatively numerous. This one is Yacarerani boliviensis, whose name means "the first South American reptile" in the Guarani language of northern Argentina, Bolivia, and southern Brazil. It belonged to the notosuchians, who seem to have absorbed all the dental wierdness among crocodilians, such as bulbous teeth in the front of the jaws, or extra carinae, but in this animal's case the teeth in the front of the jaws are so close to one another they overlap in side view, and nearly touch one another on the left and right sides of the jaw, making a row of teeth at the front with a groove down the middle on the lower jaw. Cool stuff. It is heavily implied that they were herbivorous, and recent analysis of tooth wear and jaw anatomy suggests that this was the case for this animal. That's right: herbivorous crocs.
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Terizinosaurus's avatar
IT IS VERY FANTASTIC!!!