Lystrosaurus (;'shovel lizard'; proper Greek is λίστρον lístron <unk>tool for leveling or smoothing, shovel, spade, hoe<unk>) aiva rudzi rwemhuka yaidya zvinomera yainzi Late Permian uye Early Triassic Period dicynodont therapsids, iyo yakararama makore anenge mamiriyoni 250 apfuura munharaunda yava kunzi Antarctica, India, China, Mongolia, European Russia neSouth Africa. Pari zvino marudzi mana kusvika matanhatu anozivikanwa, kunyange zvazvo kubva kuma1930 kusvika kuma1970 nhamba yemarudzi aifungidzirwa kuti yakakwirira zvikuru. Yakanga yakakura kubva kune imbwa duku kusvika ku2.5 metres.
Lystrosaurus