Tool Marks Made by Ribbed Orthoconic Nautiloids

Bounce and prod casts from the Ordovician of Llangranog, Wales, and a roll cast from the Silurian of Ringerike, southern Norway, are attributed to longitudinally ribbed orthoconic nautiloids, probably Kiono-ceratids, impinging or rolling on firm mud bottoms.

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Bibliographic Details
Published in:The Journal of geology 1970-05, Vol.78 (3), p.371-374
Main Authors: Kelling, G., Whitaker, J. H. McD
Format: Article
Language:English
Subjects:
Cephalopods
Fossils
Geological Notes
Geology
Limestones
Mud
Rocks
Sandstones
Sole markings
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Description
Summary:Bounce and prod casts from the Ordovician of Llangranog, Wales, and a roll cast from the Silurian of Ringerike, southern Norway, are attributed to longitudinally ribbed orthoconic nautiloids, probably Kiono-ceratids, impinging or rolling on firm mud bottoms.
ISSN:0022-1376
1537-5269
DOI:10.1086/627523