Alternative combination: Ammonites oblongus
Sister taxon: Parapeltoceras annulosum
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 39.6
• Jurassic of Switzerland (4 collections)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.