Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Arthropoda Siebold, 1848 - arthropods
     Superclass †Trilobitomorpha Størmer, 1944, stat. inval. see Superclass Trilobitomorpha Størmer, 1944
       Class †Trilobita Walch, 1771 - trilobites
         Order †Agnostida Salter, 1864
           Genus †Glyptagnostus Whitehouse, 1936
           Genus †Lejopyge Hawle & Corda, 1847
           Genus †Peronopsis Hawle & Corda, 1847
           Genus †Ptychagnostus Jaekel, 1909
           Genus †Sphaeragnostus Cooper & Kindle, 1936