Cephalopoda - Ammonitida - Coeloceratidae
Alternative combination: Ammonites grenouillouxi
Synonyms: Aegoceras pettos Quenstedt 1843, Ammonites pettos Quenstedt 1843, Catacoeloceras pettos Quenstedt 1843, Coeloceras pettos Quenstedt 1843
Full reference: A. d'Orbigny. 1844. Paléontologie Française - Description zoologique et géologique de tous les animaux mollusques et rayonnés fossiles de France - Terrains jurassiques. [Céphalopodes]. 1(Lvr 17-27):193-312
Belongs to Coeloceras according to D. T. Donovan and F. Surlyk 2003
See also Alkaya and Meister 1995, Bremer 1965 and Wittler and Roth 2003
Sister taxa: Coeloceras depressum, Coeloceras humphriesianus, Coeloceras oosteri, Coeloceras seguenzae, Coeloceras subpettos, Stephanoceras (Coeloceras) commune
Type specimens:
- Coeloceras grenouillouxi: MNHN F R.4097. Its type locality is Les Cottards, nr Saint George de Poisieux, which is in a Pliensbachian marine horizon in France.
- Aegoceras pettos:
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 18.7
Distribution:
• Jurassic of Austria (1 collection), Denmark (1), France (2), Turkey (2), the United Kingdom (1)
Total: 7 collections including 8 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.