| Chaetoceros costatus Pavillard, 1911 | Accepted name (WoRMs) |
| Status | senior synonym, original combination |
| ICZN valid name | Yes |
| Status ref. | Al-Hashmi, K.A., S.A. Piontkovski, G. Bruss, W. Hamza, M. Al-Junaibi, Y. Bryantseva and E. Popova, 2019 |
| Comment | Uncertain in Ref. 3477. |
| Etymology of Generic name | |
| Etymology of specific name |