[organisms]
see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Kingdom Animalia Linnaeus, 1758 - animals
Branch Eumetazoa Butschli, 1910
see [unranked] Eumetazoa Bütschli, 1910
Division Bilateria Hatschek, 1888
see Subkingdom Bilateria Hatschek, 1888
Subdivision Protostomia Grobben, 1908
see Infrakingdom Protostomia Grobben, 1908
Section Eucoelomata
see Superphylum Eucoelomata
Phylum Echiura Sedgwick, 1898 - spoon worms, echiurans
see Class Echiura
Class Echiurida
Order Xenopneusta
Genus Urechis Seitz, 1907
Urechis caupo Fisher & MacGinitie, 1928