Protetragonites
| Protetragonites | |
|---|---|
| |
| Fossil shells of Protetragonites obliquestrangulatum from Alpes-de-Haute-Provence, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Family: | †Lytoceratidae |
| Subfamily: | †Lytoceratinae |
| Genus: | †Protetragonites Hyatt, 1900 |
| Synonyms | |
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Protetragonites is an extinct genus of ammonoid cephalopods belonging to the family Lytoceratidae. These fast-moving nektonic carnivores [1] lived from the Jurassic period Tithonian age to the Cretaceous period Aptian age.[2]
Species
[edit | edit source]- Protetragonites crebrisulcatus Uhlig, 1883
- Protetragonites obliquestrangulatum (Kilian, 1889)
- Protetragonites quadrisulcatus d'Orbigny, 1841
- Protetragonites zuegeli Maisch & Salfinger-Maisch, 2016[3]
Description
[edit | edit source]Shells of Protetragonites species reach a diameter of about 50 millimetres (2.0 in). Shells show few constrictions and a circular or triangular section.[4]
Distribution
[edit | edit source]Fossils of species within this genus have been found in the Cretaceous rocks of Austria, Canada, Czech Republic, Slovakia, Dominican Republic, France, Hungary, Madagascar, Morocco, Poland, Spain, Russia, Ukraine, Western Sahara, as well in the Jurassic of Germany, Hungary and Italy.[1]
References
[edit | edit source]- ^ a b c d The Paleobiology Database
- ^ Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopoda
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Protetragonites
External links
[edit | edit source]Lua error in Module:Taxonbar at line 165: attempt to index field 'wikibase' (a nil value).
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