| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Synthliboramphus antiquus | 177008 | (J. F. Gmelin, 1789) | Mérgulo antiguo Ancient Murrelet guillemot à cou blanc | ITIS | valid | | Species |
| Synthliboramphus craveri | 177010 | (Salvadori, 1865) | Craveri's Murrelet Mérgulo de Craveri | ITIS | valid | | Species |
| Synthliboramphus hypoleucus | 177011 | (Xantus de Vesey, 1860) | Xantus' Murrelet Xantus' Murrelet Xantus's Murrelet | ITIS | valid | | Species |
| Synthliboramphus wumizusume | 177009 | (Temminck, 1835) | Japanese Murrelet | ITIS | valid | | Species |
