[Phylum] [Arthropoda] Siebold, 1848 - arthropods Chelicerata Heymons, 1901 Euchelicerata Weygoldt & Paulus, 1979 [Order] Scorpiones Koch, 1837 - scorpions [plesion] Family †Proscorpiidae Scudder, 1885 Genus †Waeringoscorpio Størmer, 1970