Order Scorpiones Koch, 1837 - scorpions Suborder Neoscorpiones Thorell & Lindström, 1885 see Suborder Neoscorpionina Thorell & Lindström, 1885 Infraorder Orthosterni Pocock, 1911 Parvorder Iurida Soleglad & Fet, 2003 Superfamily Iuroidea Thorell, 1876 Family Iuridae Thorell, 1876 1 Genus Calchas Birula, 1899 2 Genus Iurus Thorell, 1876