Sphenodiscus

Taxonavigation

Taxonavigation: Acanthocerataceae (Ammonitina)
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: †Ammonitida Subordo: †Ammonitina Superfamilia: Acanthocerataceae

Familia: Sphenodiscidae
Genus: Sphenodiscus

Species: S. lobatus – S. pleurisepta

Name

Sphenodiscus Meek, 1871

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