Protetragonites
| Protetragonites Temporal range: from Jurassic to Cretaceous, | |
|---|---|
| Fossil shells of Protetragonites obliquestrangulatum from Alpes-de-Haute-Provence, 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: | †Lytoceratidae |
| Subfamily: | †Lytoceratinae |
| Genus: | †Protetragonites Hyatt, 1900 |
| Synonyms | |
| |
Protetragonites is an extinct genus of ammonoid cephalopods belonging to the family Lytoceratidae. These fast-moving nektonic carnivores lived from the Jurassic period Tithonian age to the Cretaceous period Aptian age.