| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Enteroctopus megalocyathus | (Gould, 1852) | accepted name | Yes | senior synonym |
new combination |
| Octopus megalocyathus | Gould, 1852 | synonym | No | senior synonym |
original combination |
| Octopus patagonicus | Lönnberg, 1898 | synonym | No | junior synonym |
original combination |
| Polypus brucei | Hoyle, 1912 | synonym | No | junior synonym |
original combination |