Protetragonites

Add links
Source: Wikipedia, the free encyclopedia.

Protetragonites
Temporal range: from
Ma
[1]
Fossil shells of Protetragonites obliquestrangulatum from
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]

Species

[1]

  • Protetragonites crebrisulcatus Uhlig, 1883
  • Protetragonites obliquestrangulatum (Kilian, 1889)
  • Protetragonites quadrisulcatus d'Orbigny, 1841
  • Protetragonites zuegeli Maisch & Salfinger-Maisch, 2016[3]

Description

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

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

  1. ^ a b c d The Paleobiology Database
  2. ^ Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopoda
  3. doi:10.1127/njgpa/2016/0574
    .
  4. ^ Protetragonites

External links


Stub icon

This Ammonitida-related article is a stub. You can help Wikipedia by expanding it.

Retrieved from "https://en.wikipedia.org/w/index.php?title=Protetragonites&oldid=1060835791"