living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Arthropoda Siebold, 1848 - arthropods
           Subphylum Chelicerata Heymons, 1901
             Class Arachnida Lamarck, 1801
               Order Opiliones Sundevall, 1833 - harvestmen
                 Suborder Palpatores Latreille, 1802 see Order Opiliones Sundevall, 1833
                   Superfamily Phalangioidea Latreille, 1802
                     Family Megalopsalididae Forster, 1949 see Subfamily Megalopsalidinae Forster, 1949
                       1 Genus Megalopsalis Roewer, 1923
                       2 Genus Pantopsalis Simon, 1879
                       3 Genus Spinicrus Forster, 1949
                       4 Genus Monoscutum Forster, 1948
                       5 Genus Nodala Forste, 1949