| Praeglyphioceratidae | |
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| Family: | Praeglyphioceratidae Ruzhencev 1957
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Praeglyphioceratidae is one of seven families of the Prionocerataceae families, 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.