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 Nemata Cobb, 1919 see Phylum Nematoda Gegenbaur, 1859
           Class Secernentea Von Linstow, 1905
             Subclass Diplogasteria see Subclass Plectia Hodda, 2007
               1 Order Diplogasterida Inglis, 1983 see Order Diplogastrida Inglis, 1983
               2 Order Tylenchida G. Thorne, 1949
               3 Order Aphelenchida see Suborder Aphelenchina Geraert, 1966