Order Goniatitida | Suborder Goniatitina | |
Furnishoceratidae is one of nine families of the Pericyclaceae 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.
References
Furnishoceratidae Wikipedia(Text) CC BY-SA