Kallholnoceras

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Kallholnoceras
Temporal range: Ordovician
Scientific classification
Kingdom:
Phylum:
Mollusca
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Subclass:
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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 at Kallholn.

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