| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Pachyptila crassirostris | (Mathews, 1912) | accepted name | Yes | senior synonym |
new combination |
| Pachyptila crassirostris crassirostris | (Mathews, 1912) | accepted name | No | senior synonym |
new combination |
| Pachyptila crassirostris eatoni | (Mathews, 1912) | accepted name | No | senior synonym |
new combination |
| Pachyptila crassirostris flemingi | Tennyson & Bartle, 2005 | accepted name | No | senior synonym |
original combination |