organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
       Bilateria Hatschek, 1888 see Subkingdom Bilateria Hatschek, 1888
         Pseudocoelomata see [unranked] Pseudocoelomates Hyman, 1951
           Phylum Nematoda Gegenbaur, 1859 - round worms
             Genus Ascaris Linnaeus, 1758
             Genus Caenorhabditis Osche, 1952
             Genus Dioctophyme Collet-Meygret, 1802
             Genus Diplolaimella Allgén, 1929
             Genus Dracunculus Reichard, 1759
             Genus Enterobius Baird, 1853
             Genus Leptosomatum Bastian, 1865
             Genus Necator Stiles, 1903
             Genus Pelodera Schneider, 1866
             Genus Rhabdias Stiles & Hassall, 1905
             Genus Trichinella Railliet, 1895
             Genus Tricoma Cobb, 1894
             Genus Wuchereria Silva Aranjo, 1877
             1 Class Adenophorea
             2 Class Secernentea Von Linstow, 1905