"Araripesuchus wegeneri " is a small-bodied ( < 1.0 m ) crocodyliform characterized by a distinct heterodont dentition and an upright quadrupedial posture.
12.
Olson classified " Gorgodon " as a very early therapsid because it had a heterodont dentition and large temporal fenestra not seen in the most basal synapsids but present in therapsids.
13.
The genus name means " different toothed lizard ", in reference to its unusual, heterodont dentition; the specific name honors G . C . Tuck, who supported the discoverers.
14.
When first described in 1993, it was considered to be one of the earliest, if not the earliest known dinosaur . " Eoraptor " has heterodont dentition, suggesting that it was omnivorous, and that this feeding strategy had evolved early on in dinosaurs.
15.
It is distinguished from other peirosaurids by its extremely heterodont dentition, which includes small serrated teeth at the front of the jaws with much larger, laterally compressed caniniform teeth behind them . " Patagosuchus " also has large spaces between its teeth called interalveolar spaces that are not found in any other peirosaurid.
