Family
Phragmoceratidae Miller, 1877
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Classification
Organism group | Biota |
Kingdom | Animalia |
Phylum | Mollusca |
Class | Cephalopoda |
Subclass | Multiceratia |
Order | Discosorida |
Family | Apocrinoceratidae |
Cyrtogomphoceratidae | |
Lowoceratidae | |
Phragmoceratidae | |
Genus | Phragmoceras |
Family | Westonoceratidae |