[Phylum] Chordata Bateson, 1885 - chordates Subphylum Craniata auct. Infraphylum Vertebrata Lamarck, 1801 - vertebrates Superclass †Osteostracomorphi Class †Galeaspidomorphi Superorder †Polybranchiaspidida Zhu & Gai, 2007 Order †Polybranchiaspidiformes Liu, 1965 Family †Duyunolepididae Pan & Wang, 1982, nom. praeval. Genus †Duyunolepis Pan & Wang, 1982