(Tunicata,(Cephalochordata,((Myxinoidea,Myxinikela),(Haikouichthys,(Cornovichthys,((Euconodonta,(Mayomyzon,(Priscomyzon,(Petromyzontida,Mesomyzon)))),(Achanarella,((Anaspida,(((Heterostraci,(Astraspis,Arandaspida)),(Galeaspida,(Osteostraci,Jawedvertebrates))),(Loganellia,Turinia))),(Jamoytius,Euphanerops)))))))));