Helicotaphrichnus commensalis Kern, Grimmer et Lister, 1974
| ID | 16921 |
|---|---|
| Fossil group | Bioerosional trace fossils |
| Taxon | Helicotaphrichnus commensalis |
| Author | Kern, Grimmer et Lister, 1974 |
| Reference | Kern et al., 1974 |
| Parent taxon | Helicotaphrichnus |
| FAD | Miocene |
| LAD | Recent |
Type specimens
| Type | No | Type locality | Type horizon | Remarks | Reference | ||||
|---|---|---|---|---|---|---|---|---|---|
| holotype | University of Califonia | No. 4814 | Pacific Beach, California | Pleistocene | Bay Point Formation | Kern et al., 1974 |