| Junior homonym (allowed) | : | Omphalius (Genus) Philippi, 1847 | |
Ref: S.J. Brands (comp.), 1989-present: 24 Jun 2021. |
| Junior homonym (allowed) | : | Omphalius (Genus) Abeille de Perrin, 1891, nom. illeg. | |
Ref: S.J. Brands (comp.), 1989-present: 24 Jun 2021. |
| Junior homonym (allowed) | : | Omphalius (Genus) Vachal, 1900, nom. illeg. | |
Ref: S.J. Brands (comp.), 1989-present: 24 Jun 2021. |