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 Deuterostomia Grobben, 1908
                                         Phylum Chordata Bateson, 1885 - chordates
                                           Subphylum Vertebrata Cuvier, 1812 - vertebrates
                                             [Infraphylum Gnathostomata Gegenbaur, 1874 - jawed vertebrates] see Superclass Gnathostomata Gegenbaur, 1874
                                               [Superclass Chondrichthyes Huxley, 1880]
                                                 [Class Elasmobranchii Bonaparte, 1838] see Subclass Elasmobranchii Bonaparte, 1838
                                                   [Subclass Selachii] see Subdivision Selachii
                                                     [Order Raii]
                                                     [Order Squali Müller & Henle, 1838]
                                                     01 [Order †Pleuropterygii [monotypic]] see Order Cladoselachiformes
                                                     02 [Order †Acanthodei Gunnell, 1933] see Class Acanthodii Owen, 1846
                                                     03 [Order †Ichthyotomi (Cope)]
                                                     04 [Order †Polyspondyli Jordan, 1963 [monotypic]] see Order Ischnacanthiformes Berg, 1940
                                                     05 [Order Cestraciontes]
                                                     06 [Order Selachophidichthyoidei [monotypic]] see Order Hexanchiformes Compagno, 1973
                                                     07 [Order Notidani Jaekel, 1911 [monotypic]] see Order Hexanchiformes Compagno, 1973
                                                     09 [Order Tectospondyli]
                                                     10 [Order Batoidei] see Order Batoidea