Class Scorpionida Latreille, 1810 - scorpions
Order Scorpiones Koch, 1837 - scorpions
Suborder Neoscorpionina Thorell & Lindström, 1885
Infraorder Orthosterni Pocock, 1911
Superfamily Chactoidea Pocock, 1893
Family Euscorpiidae Laurie, 1896
1 Genus Euscorpius Thorell, 1876
2 Genus Megacormus Karsch, 1881
3 Genus Plesiochactas Pocock, 1900
4 Genus Troglocormus Francke, 1981