| Junior homonym (allowed) | : | Atreus (Minor planet) (1973 SU) | |
Ref: S.J. Brands (comp.), 1989-present: 30 Dec 2020. |
| Senior homonym (unavailable) | : | Atreus (Genus) Koch, 1837, nom. inval. | |
Ref: O.F. Francke, 2019: 4-5. [implicit] |
| Junior homonym | : | Atreus (Genus) Grote, 1886, nom. illeg. | |
Ref: S.J. Brands (comp.), 1989-present: 30 Dec 2020. |