SaidomysSaidomys is an extinct genus of murid rodent that lived in Africa during the Pliocene epoch.DistributionSaidomys afarensis hails from the mid-Pliocene of Ethiopia, whereas Saidomys natrunensis is known from the mid-Pliocene of Egypt.PalaeoecologyThe dental microwear of S. afarensis bears the most similarities to that of extant rodents that consume grass, suggesting that S. afarensis too was primarily an eater of grass.