Chelicerata Heymons, 1901 Scorpiones Koch, 1837 - scorpions †Holosternina Kjellesvig-Waering, 1986 Superfamily †Allopalaeophonoidea Kjellesvig-Waering, 1986 [monotypic] Family †Allopalaeophonidae Kjellesvig-Waering, 1986 [monotypic] 1 Genus †Allopalaeophonus Kjellesvig-Waering, 1986