organisms
see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Kingdom Animalia Linnaeus, 1758 - animals
Eumetazoa Bütschli, 1910 - eumetazoans
Bilateria Hatschek, 1888 - bilaterians
see Subkingdom Bilateria Hatschek, 1888
Protostomia Grobben, 1908
see Infrakingdom Protostomia Grobben, 1908
Aschelminthes Grobben, 1910
see [unranked] Protostomia Grobben, 1908
Cycloneuralia Nielsen, 1995
see [unranked] Introverta Nielsen, 1995
Introverta Nielsen, 1995
Phylum Nematoda Gegenbaur, 1859 - round worms
Genus Parascaris Yorke & Maplestone, 1926
Parascaris megalocephala