| Plexechinus sulcatus David & Mooi, 2000 | Accepted name (WoRMs) |
| Status | senior synonym, original combination |
| ICZN valid name | Yes |
| Status ref. | Kroh, A., 2010 |
| Comment | |
| Etymology of Generic name | |
| Etymology of specific name | Named after its distinctive anterior ambulacral furrow (sulcus), a unique character of Plexechinus. |