Oichnus coronatus Nielsen et Nielsen, 2001
| ID | 16127 |
|---|---|
| Fossil group | Bioerosional trace fossils |
| Taxon | Oichnus coronatus |
| Author | Nielsen et Nielsen, 2001 |
| Reference | Nielsen & Nielsen, 2001 |
| Parent taxon | Oichnus |
| FAD | Pleistocene |
| LAD | Holocene |
Type specimens
| Type | No | Type locality | Type horizon | Remarks | Reference | ||||
|---|---|---|---|---|---|---|---|---|---|
| holotype | Geological Museum of the University of Copenhagen | MGUH 24769 | Great Australian Bight | Holocene | Nielsen & Nielsen, 2001 |
Description(s)
Nielsen & Nielsen, 2001:
Diagnosis Oichnus having a simple cylindrical or subcylindrical form, oriented more or less perpendicular to the substrate surface. The external opening is surrounded immediately by a halo having a granular texture.
Description. Diameter of the holes ranges from 12 to 25 urn. Within the same specimen of O. coronatus isp. nov., the halo may range from 2 to 24 urn in width. O. coronatus isp. nov. has been observed in benthic foraminiferans.