Chelicerata Heymons, 1901 Scorpiones Koch, 1837 - scorpions Orthosternina Pocock, 1911 see Infraorder Orthosterni Pocock, 1911 Superfamily Buthoidea Koch, 1837 Family †Sucinlourencoidae Rossi, 2015 [monotypic] 1 Genus †Sucinlourencous Rossi, 2015