| Junior homonym (allowed) | : | Helenia (Genus) Saunders, 1957, nom. illeg. | |
Ref: S.J. Brands (comp.), 1989-present: 15 Jun 2015. |
| Junior homonym (allowed) | : | †Helenia (Genus) Walcott, 1889 | |
Ref: S.J. Brands (comp.), 1989-present: 3 Dec 2015. |
| Junior homonym (allowed) | : | †Helenia (Genus) Walcott, 1889, nom. nud. | |
Ref: S.J. Brands (comp.), 1989-present: 3 Dec 2015. |