Chelicerata Heymons, 1901 Scorpiones Koch, 1837 - scorpions Orthosternina Pocock, 1911 see Infraorder Orthosterni Pocock, 1911 Superfamily Chactoidea Pocock, 1893 Family Chaerilidae Pocock, 1893 1 Genus †Electrochaerilus Santiago-Blay, Fet, Soleglad & Anderson, 2004