Pleuroceras spinatum is a species of ammonite from the lower Jurassic, upper Pliensbachian period (189.6 ± 1.5 – 183.0 ± 1.5 Mya). Species of this genus were fast-moving nektonic carnivore.[1]
Pleuroceras spinatum Temporal range: Lower Jurassic, [1]
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Fossil shells of Pleuroceras spinatum from Lyme Regis (England), 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: | †Amaltheidae |
Genus: | †Pleuroceras |
Species: | †P. spinatum
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Binomial name | |
†Pleuroceras spinatum Bruguière 1789
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Synonyms | |
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Description
editShell of Pleuroceras spinatum can reach a diameter of about 45–54 millimetres (1.8–2.1 in).These ammonites have a planulate shell with a quadrate whorl section, bearing strong radial ribs ending in ventro-lateral tubercles. The venter is tabulate with a strong serrated keel. [1]
Distribution
editFossils of this species have been found in the Jurassic of France, Germany, Hungary, Italy, Serbia and Montenegro, Spain and United Kingdom.[1]
References
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