Sphenodiscidae
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[edit]
Taxonavigation: Acanthocerataceae (Ammonitina) |
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Superregnum: Eukaryota |
Familia: Sphenodiscidae
Genus: Coahuilites – Eulophoceras – Sphenodiscus
Name[edit]
Sphenodiscidae Hyatt, 1900
References[edit]
- 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