Chelicerata Heymons, 1901 Scorpiones Koch, 1837 - scorpions †Holosternina Kjellesvig-Waering, 1986 Superfamily †Eoctonoidea Kjellesvig-Waering, 1986 1 Family †Allobuthiscorpiidae Kjellesvig-Waering, 1986 [monotypic] 2 Family †Anthracoscorpionidae Fritsch, 1904 3 Family †Buthiscorpiidae Kjellesvig-Waering, 1986 [monotypic] 4 Family †Eoctonidae Kjellesvig-Waering, 1986 [monotypic] 5 Family †Garnettiidae Dubinin, 1962 [monotypic]