Protetragonites

Protetragonites
Temporal range: from Jurassic to Cretaceous, 150.8–94.3 Ma [1]
Fossil shells of Protetragonites obliquestrangulatum from Alpes-de-Haute-Provence, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: †Ammonoidea
Order: †Ammonitida
Family: †Lytoceratidae
Subfamily: †Lytoceratinae
Genus: †Protetragonites
Hyatt, 1900
Synonyms
  • Hemitetragonites Spath, 1927
  • Leptotetragonites Spath, 1927

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]

  1. ^ a b The Paleobiology Database
  2. ^ Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopoda