Cardioceras
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| Cardioceras | |
|---|---|
| File:Cardioceratidae - Cardioceras persecans.JPG | |
| 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 |
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]
Description
[edit | edit source]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
[edit | edit source]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
[edit | edit source]- ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Mikko's Phylogeny Archive
- ^ Cardioceras.ru
- ^ Encyclopædia Britannica
- ^ Ralph W. Imlay (1981). Late Jurassic Ammonites of Alaska
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