References
- Kallholnoceras in Fossilworks Archived 2022-08-19 at the Wayback Machine 3/6/15
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| Kallholnoceras Temporal range: Ordovician | |
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| Genus: | Kallholnoceras Frye, 1987 |
Kallholnoceras is a genus of early oncocerid nautiloids from the Ordovician of Sweden, known only from the Boda Limestone at Kallholn.
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