Venaticosuchus
Known from a single species , Venaticosuchus rusconii , this genus is described based on an incomplete skull and jaw ( as well as a lost partial forelimb and osteoderms ) collected from the Late Triassic ( Carnian ) Ischigualasto Formation in the Ischigualasto-Villa Unión Basin in northwestern Argentina , which was deposited around 230 million years ago . 
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