Order Amblypygi Thorell, 1883 - whip spiders Suborder Euamblypygi Weygoldt, 1996 Infraorder Neoamblypygi Weygoldt, 1996 Clade Unidistitarsata Engel & Grimaldi, 2014 Superfamily Phrynoidea Blanchard, 1852 Family Phrynidae Blanchard, 1852 Genus Acanthophrynus Kraepelin, 1899