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
Class Secernentea Von Linstow, 1905
1 Suborder Strongylina
see Suborder Rhabditina Chitwood, 1933
2 Suborder Ascaridina Inglis, 1983
3 Suborder Spriurina
see Suborder Spirurina Railliet & Henry, 1915