Oichnus coronatus Nielsen et Nielsen, 2001

ID16127
Fossil groupBioerosional trace fossils
TaxonOichnus coronatus
AuthorNielsen et Nielsen, 2001
ReferenceNielsen & Nielsen, 2001
Parent taxonOichnus
Is validYes
FADPleistocene
LADHolocene
Edit in SARV Workbench

Synonymy

YearSynonymAuthorPagesFigsReference
2001Oichnus coronatus isp. novNielsen & Nielsen1041E-G, 5Nielsen & Nielsen, 2001

Type specimens

TypeNumberRepositoryType localityLoc.Type horizonStrat.RemarksReferenceID
holotypeMGUH 24769Geological Museum of the University of CopenhagenGreat Australian BightHoloceneNielsen & Nielsen, 2001

Descriptions and remarks

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.


Occurrences


Browse Categories of Architectural Design (CADs):

Borings with elliptical to sub-rectangular cross sections | Branched tubular borings | Camerate boxwork borings | Camerate network borings | Circular holes and pit-shaped borings | Clavate-shaped borings | Cylindrical vertical to oblique borings | Dendritic and rosetted borings | Elongate or branched attachment bioerosion traces | Fracture-shaped bioerosion traces | Globular to spherical borings | Groove bioerosion traces | Multiple attachment bioerosion traces | Non-camerate boxwork borings | Non-camerate network borings | Pouch borings | Radial borings | Single circular to tear-shaped attachment bioerosion traces | Spiral borings | Trackways and scratch imprints | U-shaped borings | Winding borings |