Very similar to lystrosaurus, dicynodon was also, the size of a pig and also traveled in monster herds. Dicynodon lived during the late Permian period and was hunted by other therapsids like lycaenops and gorgonopsid. It lived on the super continent, Pangeae. They also might have lived into the very early Triassic Period, but went extinct right away.
In Other MediaEdit
Dicynodon is in the book of the smithsonian full encyclopedia on prehistoric life. It was shown in, "The Vast, Permian Landscape.