Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Arthropoda Siebold, 1848 - arthropods
     Subphylum Hexapoda Latreille, 1825 see Epiclass Hexapoda Latreille, 1825
       Class Insecta Linnaeus, 1758 - insects
         Order Lepidoptera Linnaeus, 1758 - butterflies, moths
           Family †Undopterigidae Kozlov, 1988, incertae sedis [monotypic]
             Genus †Undopterix Skalski, 1979 [monotypic]
               †Undopterix sukatshevae Skalski, 1979