Chelicerata Heymons, 1901 Scorpiones Koch, 1837 - scorpions †Lobosternina Pocock, 1911 Superfamily †Paraisobuthoidea Kjellesvig-Waering, 1986 1 Family †Paraisobuthidae Kjellesvig-Waering, 1986 [monotypic] 2 Family †Scoloposcorpionidae Kjellesvig-Waering, 1986 3 Family †Telmatoscorpionidae Kjellesvig-Waering, 1986 [monotypic]