Order Scorpiones Koch, 1837 - scorpions Suborder Neoscorpionina Thorell & Lindström, 1885 Infraorder Orthosterni Pocock, 1911 Parvorder Iurida Soleglad & Fet, 2003 Superfamily Chactoidea Pocock, 1893 1 Family Chactidae Pocock, 1893 [monophyletic?] 2 Family Euscorpiidae Laurie, 1896 3 Family Scorpiopidae Kraepelin, 1905