Taxonavigation
Superregnum: Eukaryota
Regnum: Animalia
Phylum: Mollusca
Classis: Cephalopoda
Subclassis: †Ammonoidea
Ordo: Ammonitida
Subordo: Ammonitina
Superfamilia: Acanthocerataceae
Familia: Sphenodiscidae
Genus: Coahuilites – Eulophoceras – Sphenodiscus
Name
Sphenodiscidae Hyatt, 1900
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
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