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