Order Opiliones Sundevall, 1833 - harvestmen Suborder Laniatores Thorell, 1876 - armored harvestmen Infraorder Grassatores Kury, 2002 Superfamily Assamioidea Sørensen, 1884 Family Pyramidopidae Sharma, Prieto & Giribet, 2011 1 Genus Sorensenius Berg, 1898