[Phylum] Chordata Bateson, 1885 - chordates
   Subphylum Craniata auct.
     Infraphylum Vertebrata Lamarck, 1801 - vertebrates
       Superclass †Osteostracomorphi
         Class †Galeaspidomorphi
           Order †Hanyangaspidiformes
             1 Family †Hanyangaspididae Pan & Liu, 1975, nom. praeval.
             2 Family †Xiushuiaspididae Pan & Wang, 1983, nom. praeval.
             3 Family †Dayongaspididae Pan & Zeng, 1985, nom. praeval.