Order Scorpiones Koch, 1837 - scorpions Suborder Neoscorpionina Thorell & Lindström, 1885 Infraorder Orthosterni Pocock, 1911 Parvorder Buthida Soleglad & Fet, 2003 1 Superfamily Chaeriloidea Pocock, 1893 [monotypic] 2.1 Superfamily Pseudochactoidea Gromov, 1998 [monotypic] 2.2 Superfamily Buthoidea Koch, 1837 [monotypic]