Psiloceras
Genus of molluscs (fossil) / From Wikipedia, the free encyclopedia
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Psiloceras is an extinct genus of ammonite. Psiloceras is among the earliest known Jurassic ammonites, and the appearance of the earliest Psiloceras species form the definition for the base of the Jurassic. Unlike most earlier ammonites, which had complex shell shapes and ornamentation, Psiloceras had a smooth shell.[3][4]
Quick Facts Scientific classification, Species ...
Psiloceras | |
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Psiloceras laevis | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Cephalopoda |
Subclass: | †Ammonoidea |
Order: | †Ammonitida |
Family: | †Psiloceratidae |
Genus: | †Psiloceras Hyatt, 1867 |
Species[2] | |
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