Order Opiliones Sundevall, 1833 - harvestmen
   Suborder Laniatores Thorell, 1876 - armored harvestmen
     Infraorder Grassatores Kury, 2002
       Superfamily Gonyleptoidea Sundevall, 1833
         Family Cranaidae Roewer, 1913
           1 Subfamily Cranainae Roewer, 1913
           2 Subfamily Heterocranainae Roewer, 1913
           3 Subfamily Prostygninae Roewer, 1913 see Family Prostygnidae Roewer, 1913
           4 Subfamily Stygnicranainae Roewer, 1913