Stegosaurus (), daga Girkanci stegos (στέγος) wanda ke nufin rufi da sauros (σαῦρος) wanda ke nufin lizard (Girkanci: Στεγόσαυρος), wani nau'i ne na dinosaur thyreophoran mai cin ganyayyaki. Fossils na wannan jinsin sun kasance daga lokacin Late Jurassic, inda aka samo su a Kimmeridgian zuwa farkon Tithonian strata, tsakanin shekaru miliyan 155 da 150 da suka wuce, a yammacin Amurka da Portugal. Daga cikin jinsunan da aka rarraba a cikin Upper Morrison Formation na yammacin Amurka, uku ne kawai aka sani; S. stengosops, S. ungulatus da S. sulcatus. An gano ragowar fiye da dabbobi 80 na wannan jinsin.
rufin gida