Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Cephalopoda
Subclassis: † Ammonoidea
Ordo: Goniatitida
Subordo: Tornoceratatina
Superfamilia: Prionocerataceae
Familia: † Sporadoceratidae
Subfamilia: Xenoporadoceratinae
Genera: Erfoudites - Xenosporadoceras
Name
Xenoporadoceratinae Korn, 2002
References
The Paleobiology Database Accessed 11/23/08
Xenoporadoceratinae is one of two subfamilies of the Sporadoceratidae family, 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.
References
The Paleobiology Database accessed on 10/01/07
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