Order Opiliones Sundevall, 1833 - harvestmen Suborder Laniatores Thorell, 1876 - armored harvestmen Infraorder Grassatores Kury, 2002 Superfamily Gonyleptoidea Sundevall, 1833 Family Metasarcidae Kury, 1994 Genus Metasarcusᵀ Roewer, 1913