Chelicerata Heymons, 1901 Scorpiones Koch, 1837 - scorpions †Holosternina Kjellesvig-Waering, 1986 Superfamily †Mesophonoidea Wills, 1910 Family †Gallioscorpionidae Lourenço & Gall, 2004 [monotypic] Genus †Gallioscorpio Lourenço & Gall, 2004