Stephanoceratoidea
Extinct superfamily of molluscs / From Wikipedia, the free encyclopedia
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Stephanoceratoidea, formerly Stephanocerataceae, is a superfamily of middle- upper Jurassic ammonoid cephalopods within the order Ammonitida containing diverse forms, generally with sharp ribbing and complex suture lines. Aptychi are believed to be mostly granular (Granulaptycus) or concentrically ribbed on the surface (Praestriaptychus) (Arkell et al. 1957)
Quick Facts Scientific classification, Families ...
Stephanoceratoidea | |
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Cadomites species fossil | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Cephalopoda |
Subclass: | †Ammonoidea |
Order: | †Ammonitida |
Suborder: | †Ammonitina |
Superfamily: | †Stephanoceratoidea Neumayr, 1875 |
Families | |
See text |
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