Prionoceratidae

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Prionoceratidae
Imitoceras rotatorium fossil ammonoid (Mississippian; Seymour, Indiana, USA) (17184552397).jpg
Scientific classification e
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Goniatitida
Superfamily: Prionoceratoidea
Family: Prionoceratidae
Korn et al., 2003
Subfamilies

Prionoceratidae is one of seven families of the superfamily Prionoceratoidea, a member of the Goniatitida order. They are an extinct group of ammonoid, which are shelled cephalopods related to squids, belemnites, octopuses, and cuttlefish, and more distantly to the nautiloids.

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