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
         Genus †Asaphiscus Meek, 1873
         Genus †Crassifimbra Lochman, 1947
         Genus †Crozonaspis Henry, 1968
         Genus †Elrathia Walcott, 1924
         Genus †Naraoia Walcott, 1912
         Genus †Olenoides Meek, 1877
         Genus †Opipeuter Fortey, 1974, nom. illeg.
         Genus †Pseudogygites
         Genus †Scutellum Pusch, 1833
         Genus †Triarthrus Green, 1832
         1 Order †Polymerida
         2 Order †Agnostida Salter, 1864