[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   Chelicerata Heymons, 1901
     Euchelicerata Weygoldt & Paulus, 1979
       [Order] †Eurypterida Burmeister, 1843 - eurypterids
         [Suborder] †Stylonurina Diener, 1924
           Superfamily †Mycteropoidea Cope, 1886
             Family †Hibbertopteridae Kjellesvig-Waering, 1959
               1 Genus †Campylocephalus Eichwald, 1860
               2 Genus †Cyrtoctenus Størmer & Waterston, 1968
               3 Genus †Dunsopterus Waterston, 1968
               4 Genus †Hastimima White, 1908
               5 Genus †Hibbertopterus Kjellesvig-Waering, 1959
               6 Genus †Vernonopterus Waterston, 1968