Cardioceras

Genus of molluscs (fossil) From Wikipedia, the free encyclopedia

Cardioceras is an extinct ammonite genus belonging to the family Cardioceratidae. These fast-moving nektonic carnivores lived during the Jurassic period, Oxfordian age.[2][3]

Phylum:Mollusca
Subclass:Ammonoidea
Order:Ammonitida
Quick facts Scientific classification ...
Cardioceras
Temporal range: Jurassic, 161.2–155.7 Ma [1]
Fossil of Cardioceras persecans from France, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Family: Cardioceratidae
Genus: Cardioceras
Neumayr & Uhlig, 1881
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Description

Shells of Cardioceras species can reach a diameter of 20–25 millimetres (0.79–0.98 in).[4] The shape is circular, with ribs and a prominent ridge along the dorsal edge.[5]

Distribution

Fossils of species within this genus have been found in the Jurassic of France, Germany, Poland, Russia, the United Kingdom[1] and Alaska.[6]

References

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