31367221prehistoric Northern Mesopotamian periodsPT2026-03-30 20:39:03UF31367222periods, prehistoric Northern MesopotamianNDUF31367223prehistoric Northern Mesopotamian periodNDBT31336136prehistoric Mesopotamian periodsPTNT31406651HassunaPTNT31406653SamarraPTNT31406655HalafPTNT31406657JarmoPTNT31406658Gawra periodPT