Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade dorsates Cavalier-Smith, 2021
                   Clade podiates Cavalier-Smith, 2012
                     [crown] Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       [crown] Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                         [crown] Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                           Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
                                 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                   Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                     Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                       Infrakingdom Protostomia Grobben, 1908
                                         Superphylum Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake, 1997
                                           Panarthropoda Nielsen, 1995 - panarthropods
                                             Tactopoda Budd, 2001
                                               Phylum Arthropoda Siebold, 1848 - arthropods
                                                 Euarthropoda
                                                   Subphylum Chelicerata Heymons, 1901
                                                     Class Pycnogonida Latreille, 1810 - pycnogonids
                                                       Order Pantopoda Gerstäcker, 1863
                                                         1 Genus †Flagellopantopus Poschmann & Dunlop, 2005, incertae sedis
                                                         2 Genus †Palaeothea Bergstrom, Sturmer & Winter, 1980, incertae sedis
                                                         3 Suborder Stiripasterida Fry, 1978
                                                         4 Suborder Eupantopodida Fry, 1978
                                                         4.1.0 [Family Pallenidae Wilson, 1878] see Family Callipallenidae Hilton, 1942
                                                         nd1 [Genus Alcynous Costa, 1861, nom. dub.]
                                                         nd2 [Genus Oiceobathys Hesse, 1867, nom. dub.]
                                                         nd3 [Genus Oomerus Hesse, 1874, nom. dub.]
                                                         nd4 [Genus Paritoca Philippi, 1842, nom. dub.]
                                                         nd5 [Genus Pephredro Goodsir, 1842, nom. dub.]
                                                         nd6 [Genus Phanodemus Costa, 1838, nom. dub.]
                                                         nd7 [Genus Phoxychilis Berthold, in Latreille, 1827]
                                                         nd7.0 [Genus Foxichilus Costa, 1838, nom. dub.] see Genus Phoxychilis Berthold, in Latreille, 1827
                                                         nd8 [Genus Platychelus Costa, 1861, nom. dub.]
                                                         x [Genus †"Pentapalacopycon" nom. null.] see Genus Pentapalaeopycnon Hedgpeth, 1978