Class Scorpionida Latreille, 1810 - scorpions Order Scorpiones Koch, 1837 - scorpions Suborder Neoscorpionina Thorell & Lindström, 1885 Infraorder Orthosterni Pocock, 1911 Superfamily Scorpionoidea Latreille, 1802 Family Scorpionidae Latreille, 1802 Genus Opistophthalmus Koch, 1837