Ta Chordata ny phylum ayns y reeriaght Animalia, goaill stiagh ny dreeym-juntee chammah as kuse dy vooinjer faggys daue. Ta queig troyn cadjin oc: traa ennagh 'sy vea oc, ta notochord, coyrd neayrag drommey, scolt farangagh, endostyle, as famman cooyl-thoanney oc.