entity_id,period_id,confidence,rationale,source_id,review_status ENT_MES_TIAMAT,PER_MES_NEO_ASS,medium,Mesopotamian entities primarily attested in Neo-Assyrian/Babylonian canonical cuneiform library.,, ENT_MES_TIAMAT,PER_MES_OLD_BAB,high,"Tiamat as a named mythological figure is primarily an Old Babylonian and later concept, reaching canonical form in the Enuma Elish (Standard Babylonian period); she may have antecedents in earlier primordial-sea traditions but the named entity is Old Babylonian",SRC_FOSTER_BEFORE_MUSES,reviewed