Order Opiliones Sundevall, 1833 - harvestmen Suborder Laniatores Thorell, 1876 - armored harvestmen Infraorder Grassatores Kury, 2002 Superfamily Gonyleptoidea Sundevall, 1833 Family Gonyleptidae Sundevall, 1833 Subfamily Caelopyginae Simon, 1879 Genus Caelopygusᵀ Koch, 1839