Narthecoceratidae

Narthecoceratidae
Temporal range: Ordovician
Artist's depiction of Narthecoceras
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Orthoceratoidea
Order:
Orthocerida
Family:
Narthecoceratidae

Narthecoceratidae is an extinct family of orthocone cephalopods who lived in marine environments in what is now North America during the Ordovician from 460.5—449 mya, existing for approximately 11.5 million years.

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