| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Bathypolypus arcticus | (Prosch, 1847) | accepted name | Yes | senior synonym |
new combination |
| Bathypolypus lentus | (Verrill, 1880) | synonym | No | junior synonym |
new combination |
| Bathypolypus obesus | (Verrill, 1880) | synonym | No | junior synonym |
new combination |
| Octopus arcticus | Prosch, 1847 | synonym | No | senior synonym |
original combination |
| Octopus bairdii | Verrill, 1873 | synonym | No | junior synonym |
original combination |
| Octopus lentus | Verrill, 1880 | synonym | No | junior synonym |
original combination |
| Octopus obesus | Verrill, 1880 | synonym | No | junior synonym |
original combination |
| Polypus arcticus | (Prosch, 1847) | synonym | No | senior synonym |
new combination |
| Sepia groenlandica | Dewhurst, 1834 | ambiguous synonym | No | other |
original combination |