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: † Sporadoceratidae
Subfamiliae: Sporadoceratinae - Xenoporadoceratinae
Name
Sporadoceratidae Miller & Furnish, 1957
Type Genus: Sporadoceras Hyatt, 1884
References
Miller, A.K. & Furnish, W.M. 1957. Phytogenetic system of Paleozoic Ammonoids. Bulletin de la Societe des Naturalistes de Moscou Geol. 32(2): 49–64. Reference page.
The Paleobiology Database Accessed 11/19/08
Sporadoceratidae is one of seven families of the Prionocerataceae families, 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
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