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: † Prionoceratidae
Subfamilia: Balviinae
Genera: Balvia – Effenbergia – Kenseyoceras
Name
Balviinae Korn, 2002
References
The Paleobiology Database Accessed 11/21/08
Balviinae is one of six subfamilies of the Prionoceratidae 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
Retrieved from "http://en.wikipedia.org/"
All text is available under the terms of the GNU Free Documentation License