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