In this study, the discovery of a small-sized tetraconodont suid, Parachleuastochoerus (Mammalia , Artiodactyla, Suidae) from the Mingin and Yenangyaung townships of Myanmar is reported The maxillary and mandibular fragments of Parachleuastochoerus, are firstly recorded from the basal pan of the Irrawaddy Formation (Late Miocene) of Myanmar, The denial characteristics in Myanmar specks compared to Europe, southern China and Thailand species indicate that Parachleuastochoerus sp. of Myanmar might be an "intermediate" form, which may have occurred during the migration of from Europe to Asia