Christioceratidae is one of five families of the Schistoceratoidea superfamily. They are an extinct group of ammonoid, which are shelled cephalopods related to squids, belemnites, octopuses, and cuttlefish, and more distantly to the nautiloids.

Christioceratidae
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Goniatitida
Superfamily: Schistoceratoidea
Family: Christioceratidae
Nassichuk & Furnish 1965
Genera

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