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
Subfamilia: Sporadoceratinae
Genus: Sporadoceras
Species: S. rotundum
Name
Sporadoceras Sepkoski, 2002
References
The Paleobiology Database Accessed 11/19/08
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