In the geologic time scale, the Changhsingian or Changxingian is the latest age or uppermost stage of the Permian. It is also the upper or latest of two subdivisions of the Lopingian Epoch or Series. The Changhsingian lasted from 254.14 to 251.9 Ma ago. It is preceded by the Wuchiapingian age/stage and is followed by the Induan age/stage.
Bellerophon Formation, Dolomites, Italy
The Lopingian is the uppermost series/last epoch of the Permian. It is the last epoch of the Paleozoic. The Lopingian was preceded by the Guadalupian and followed by the Early Triassic.
Smilesaurus ferox, one of the most fearsome predators of the Lopingian
Skull of Dicynodon, a dicynodont.
Scutosaurus, a common herbivore during the late Permian