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
                                           Introverta Nielsen, 1995
                                             Nematoida Rudolphi, 1808
                                               Phylum Nematoda Gegenbaur, 1859 - round worms
                                                 Class Dorylaimea Hodda, 2007
                                                   Subclass Bathyodontia Hodda, 2007
                                                     Order Mononchida Jairajpuri, 1969 [monotypic]
                                                       Suborder Mononchinaᵀ Kirjanova & Krall, 1969
                                                         Superfamily Mononchoideaᵀ Filipjev, 1934
                                                           Family Mononchidaeᵀ Filipjev, 1934
                                                             Genus Clarkus Jairajpuri, 1970
                                                             Genus Coomansus Jairajpuri & Khan, 1977
                                                             Genus Granonchulus Andrassy, 1958
                                                             Subfamily Mononchinaeᵀ Filipjev, 1934
                                                             Genus Prionchuloides Mulvey, 1963
                                                             Genus Prionchulus (Cobb, 1916) Wu & Hoeppli, 1929
                                                             Genus Sporonchulus Cobb, 1917