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: Tornocerataceae
Familia: Kirsoceratidae
Genera: Kirsoceras – Pernoceras – Protornoceras – Tornia
Name
Kirsoceratidae Korn, 2002
References
The Paleobiology Database Accessed 11/23/08
Kirsoceratidae is one of five families of the Tornoceratoidea superfamily, 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
