| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Pterodroma externa | (Salvin, 1875) | accepted name | Yes | senior synonym |
new combination |
| Pterodroma externa externa | (Salvin, 1875) | synonym | No | senior synonym |
new combination |
| Pterodroma externa tristani | Mathews, 1931 | accepted name | No | senior synonym |
original combination |