Order Scorpiones Koch, 1837 - scorpions Family Iuridae Thorell, 1876 1 Subfamily Caraboctoninae Kraepelin, 1905 see Family Caraboctonidae Kraepelin, 1905 2 Subfamily Hadrurinae Stahnke, 1974 see Family Hadruridae Stahnke, 1974 3 Subfamily Iurinae Thorell, 1876 see Family Iuridae Thorell, 1876