Cephalopoda - Ammonitida - Hildoceratidae
Alternative combination: Ammonites bifrons
Synonyms: Ammonites hildensis Young and Bird 1822, Ammonites walcotii Sowerby 1815, Hildoceras angustisiphonatum Prinz 1904
Belongs to Hildoceras according to M. Benzaggagh et al. 2022
See also Bécaud 2006, d'Orbigny 1844, Delsate and Weis 2010, Géczy and Szente 2006, Guex 1972 and Howarth 1992
Sister taxa: Hildoceras (Lillia), Hildoceras ameuri, Hildoceras apertum, Hildoceras bastiani, Hildoceras caterinii, Hildoceras crassa, Hildoceras crassum, Hildoceras graecum, Hildoceras laticosta, Hildoceras lusitanicum, Hildoceras semipolitum, Hildoceras snoussi, Hildoceras sublevisoni, Hildoceras tethysi
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): diameter 78.4, shell diameter 62.4
Distribution:
• Jurassic of Bulgaria (1 collection), France (38), Hungary (13), Italy (6), Luxembourg (2), Morocco (2), Romania (1), Serbia and Montenegro (1), Slovakia (1), Spain (33), the United Kingdom (27)
Total: 125 collections including 130 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.