Cephalopoda - Ammonitida - Hammatoceratidae
Parent taxon: Hammatoceratidae according to M. Benzaggagh 2024
See also Howarth 2013 and Kovács 2009
Sister taxa: Erycitinae, Fissilobiceras, Hammatoceras, Hammatoceratinae, Podagrosiceratinae, Rarenodia, Zurcheriinae
Subtaxa: Geczyceras allobrogense Geczyceras bonarellii Geczyceras clausum Geczyceras costatum Geczyceras costulosum Geczyceras galaczi Geczyceras martinezae Geczyceras perplanum Geczyceras porcarellense Geczyceras speciosum
Type: Hammatoceras speciosum
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Bulgaria (1 collection), Canada (4: British Columbia), France (5), Hungary (40), Morocco (1), Spain (28)
Total: 79 collections including 98 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.