Claim: Cargninia is an extinct genus of basal lepidosaur from the Late Triassic period (Carnian to Norian stage) or 221.5 million years ago - 205.6 million years ago.
Evidence: Cargninia is an extinct genus of basal lepidosaur from the Late Triassic period. During the Carnian (early part of the Late Triassic), some advanced cynodonts gave rise to the first mammals. Triassic Upper/
Late Carnian ~227 Norian ~208.5