Phylum Mollusca Linnaeus, 1758 - molluscs
Class Gastropoda Cuvier, 1795 - snails and slugs
Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs
see Class Gastropoda Cuvier, 1795
Superorder Archaeogastropoda Thiele, 1925
Order Vetigastropoda Salvini-Plawen, 1980 - archaeogastropods s.l.
Superfamily Trochoidea Rafinesque, 1815
Family Trochidae Rafinesque, 1815 - top snails
Subfamily Umboniinae Adams & Adams, 1854 (1840)
Tribe Umboniini Adams & Adams, 1854 (1840)
Genus Umbonium Link, 1807
1 Subgenus Suchium Makiyama, 1925
2 Subgenus Umbonium Link, 1807
3 Subgenus Umbonella A. Adams, 1863