Graysonia Stephenson, 1952 nomen dubium
Graysonia is nomen nudum according to Bromley & D'Alessandro, 1987 nomen dubium (composite trace fossil)
| ID | 20383 |
|---|---|
| Fossil group | Bioerosional trace fossils |
| Taxon | Graysonia |
| Author | Stephenson, 1952 nomen dubium |
| Reference | Stephenson & Stenzel, 1952 |
| Parent taxon | Bioerosional trace fossils |
| Is valid | No |
Includes:
| Species | Reference | Valid? |
|---|---|---|
| Graysonia anglica | Casey, 1961 | No |
| Graysonia bergquesti | Stephenson & Stenzel, 1952 | No |