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: Imitoceratinae
Genera: Imitoceras – Irinoceras – Triimitoceras
Name
Imitoceratinae Ruzhencev, 1950
References
The Paleobiology Database Accessed 11/21/08
Imitoceratinae 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.
Imitoceras rotatorium (Mississippian). Seymour, Indiana (USA)
References
The Paleobiology Database accessed on 10/01/07
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