| Common Name | Dead man's finger |
| Language | English |
| Type | Vernacular |
| Official Trade Name | No |
| Rank | 3 - (Other common name) |
| Country | Global |
| Locality | |
| Ref. | Streftaris, N. and A. Zenetos, 2006 |
| Life Stage | juveniles and adults |
| Sex | females and males |
| Core | other/n.a. |
| 1st Modifier | person (generic) |
| 2nd Modifier | morphology |
| Remarks | 'finger' from Old English 'finger', 'fingor'; perhaps from Proto-Indo-European root '*penkwe-' meaning 'five'. It forms long finger-like fronds which hang down from rocks during low tide hence the name 'dead man's fingers'. |