Cladus: Eukaryota
Supergroup: Opisthokonta
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: Acutimitoceratinae
Genera: Acutimitoceras - Costimitoceras - Nicimitoceras - Sulcimitoceras


Prionocerataceae Korn, 1994


* The Paleobiology Database Accessed 11/21/08

Acutimitoceratinae 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.


* The Paleobiology Database accessed on 10/01/07

Biology Encyclopedia

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