| Petrosia ernesti Goodwin & Downey, 2021 | Accepted name (WoRMs) |
| Status | senior synonym, original combination |
| ICZN valid name | Yes |
| Status ref. | Goodwin, C., J. Brown, R. Downey, N. Trieu, P.E. Brewin and P. Brickle, 2021 |
| Comment | Subgenus: Petrosia. |
| Etymology of Generic name | |
| Etymology of specific name | 'ernesti', i.e., named after Ernest Goodwin, son of author Claire Goodwin, who was born shortly after the initial fieldwork expedition (Ref. 127032). |