[Phylum] [Arthropoda] Siebold, 1848 - arthropods Chelicerata Heymons, 1901 Euchelicerata Weygoldt & Paulus, 1979 [Order] Scorpiones Koch, 1837 - scorpions Suborder Neoscorpionina Thorell & Lindström, 1885 Genus †Gymnoscorpius Jeram, 1994, incertae sedis