| Caecum directum Vannozzi, 2019 | Accepted name (WoRMs) |
| Status | senior synonym, original combination |
| ICZN valid name | Yes |
| Status ref. | MarineSpecies.org, 2050 |
| Comment | |
| Etymology of Generic name | |
| Etymology of specific name | 'directus' (Latin), i.e., straight, due to the low curvature of the tube (Ref. 121153, p.82). |