| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Sterna eurygnatha | Saunders, 1876 | synonym | No | junior synonym |
original combination |
| ! Sterna sandivicensis | Latham, 1787 | synonym | No | senior synonym |
original combination |
| Sterna sandvicensis | Latham, 1787 | accepted name | Yes | senior synonym |
original combination |
| Sterna sandvicensis eurygnatha | Saunders, 1876 | synonym | No | junior synonym |
original combination |
| Sterna sandvicensis sandvicensis | Latham, 1787 | synonym | No | senior synonym |
original combination |
| ! Thalasseus eurygnatha | (Saunders, 1876) | synonym | No | junior synonym |
original combination |
| Thalasseus eurygnathus | (Saunders, 1876) | synonym | No | junior synonym |
new combination |
| Thalasseus sandvicensis | (Latham, 1787) | synonym | No | senior synonym |
new combination |
| Thalasseus sandvicensis acuflavidus | (Cabot, 1847) | accepted name | No | senior synonym |
new combination |
| Thalasseus sandvicensis sandvicensis | (Latham, 1787) | synonym | No | senior synonym |
new combination |