Kingdom [Animalia] Linnaeus, 1758 - animals
Subkingdom Metazoa Haeckel, 1874
see Kingdom Animalia Linnaeus, 1758
Division Eumetazoa Butschli, 1910
see Subkingdom Eumetazoa Butschli, 1910
Subdivision Bilateralia
Phylum Entoprocta Nitsche, 1869 - entoprocts
Family Urnatellidae Annandale, 1915
see Family Barentsiidae Emschermann, 1972
Genus [Urnatella] Leidy, 1851
Urnatella gracilis Leidy, 1851