| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Cepphus carbo | 176994 | Pallas, 1811 | Spectacled Guillemot | ITIS | valid | | Species |
| Cepphus columba | 176991 | Pallas, 1811 | Arao pichón Pigeon Guillemot | ITIS | valid | | Species |
| Cepphus grylle | 176985 | (Linnaeus, 1758) | Black Guillemot guillemot à miroir | ITIS | valid | | Species |
