Chelicerata Heymons, 1901 Amblypygi Thorell, 1883 - whip spiders Suborder Euamblypygi Weygoldt, 1996 Infraorder Neoamblypygi Weygoldt, 1996 Unidistitarsata Engel & Grimaldi, 2014 Genus †Kronocharon Engel & Grimaldi, 2014