Echioceras
| Echioceras | |
|---|---|
| |
| Fossil shells of Echioceras raricostatum from Pierreclos (France), on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Family: | †Echioceratidae |
| Genus: | †Echioceras Bayle, 1878 |
| Species | |
| |
Echioceras is an extinct genus of ammonites from the Early Jurassic of Europe and North America.
Description
[edit]Shell of Echioceras species can reach a diameter of about 4–6 centimetres (1.6–2.4 in).. The narrow and broad evolute shell is reinforced by fine ribs on inner whorls, progressively becoming stronger, straight and distinct.
Distribution
[edit]Fossils of species within this genus have been found in the Jurassic rocks of Canada, Hong Kong, Turkey and United Kingdom,[2] Carpathians[3] and Alps.
References
[edit]- Notes
- ^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology. 363: 1–560. Archived from the original on 2016-02-25. Retrieved 2017-10-18.
- ^ a b Echioceras in Paleobiology Database
- ^ Rakús, M., 1962: Amonity v liase Západných Karpát (Ammonites in Liassic of Western Carpathians). Geologické práce, Zošit 62, pp. 267 - 271
- Bibliography
- Cyril Walker & David Ward (1993) - Fossielen: Sesam Natuur Handboeken, Bosch & Keuning, Baarn. ISBN 90-246-4924-2
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