Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Cephalopoda
Subclassis: † Ammonoidea
Ordo: † Ammonitida
Subordo: Ammonitina
Superfamilia: Acanthocerataceae
Familiae: Acanthoceratidae - Brancoceratidae - Coilopoceratidae - Collignoniceratidae - Flickiidae - Forbesiceratidae - Leymeriellidae - Libycoceratidae - Lyelliceratidae - Pseudotissotiidae - Sphenodiscidae - Vascoceratidae
Name
Acanthocerataceae Degrossouvre, 1894
References
Landman, Neal H. & Cobban, William A.. (2003) "Ammonites from the Upper Part of the Pierre Shale and Fox Hills Formation of Colorado" American Museum Novitates 3388 (1):1–45
The Paleobiology Database Accessed on 12/12/08
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