Order Opiliones Sundevall, 1833 - harvestmen Suborder Laniatores Thorell, 1876 - armored harvestmen Infraorder Grassatores Kury, 2002 Superfamily Assamioidea Sørensen, 1884 1 Family Assamiidae Sørensen, 1884 2 Family Pyramidopidae Sharma, Prieto & Giribet, 2011 3 Family Trionyxellidae Roewer, 1912