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: Posttornoceratidae
Subfamilia: Posttornoceratinae
Genus: Exotornoceras
Name
Exotornoceras Becker, 1962
References
The Paleobiology Database Accessed 11/23/08
Retrieved from "http://en.wikipedia.org/"
All text is available under the terms of the GNU Free Documentation License
