Class Scorpionida Latreille, 1810 - scorpions Order Scorpiones Koch, 1837 - scorpions Suborder Neoscorpionina Thorell & Lindström, 1885 Infraorder †Palaeosterni (Stockwell, 1989) Genus †Coseleyscorpio Kjellesvig-Waering, 1986 see Genus Compsoscorpius Petrunkevitch, 1949