Arachnida Lamarck, 1801 Order Amblypygi Thorell, 1883 - whip spiders Suborder Euamblypygi Weygoldt, 1996 Infraorder Neoamblypygi Weygoldt, 1996 Superfamily Charontoidea Simon, 1892 Family Charontidae Simon, 1892 Genus Stygophrynus Kraepelin, 1895 Subgenus Stygophrynus (Stygophrynus) Kraepelin, 1895