Lystrosaurus (;'shovel lizard'; Giriiggu waa λίστρον lístron <unk>tool for leveling or smoothing, shovel, spade, hoe<unk>) wuxuu ahaa nooc ka mid ah geedaha wax cuna ee loo yaqaan dicynodont therapsids, oo ku noolaa qiyaastii 250 milyan oo sano ka hor halka hadda loo yaqaan Antarctica, India, China, Mongolia, Yurub Ruushka iyo Koonfur Afrika. Afar ilaa lix nooc ayaa hadda la aqoonsan yahay, in kasta oo laga soo bilaabo 1930s ilaa 1970 tirada noocyada loo maleynayay inay aad uga badan yihiin. Waxay u dhexeeyaan cabir ahaan ey yar ilaa 2.5 mitir.
Xayawaanka loo yaqaano Lystrosaurus