Cephalopoda - Ammonitida - Deshayesitidae
Full reference: A. Stoyanow. 1949. Lower Cretaceous stratigraphy in southeastern Arizona. Geological Society of America Memoir 38:1-156
Parent taxon: Deshayesitidae according to O. Szives 2007
See also Kelly and Whitham 1999, Renz 1982, Stoyanow 1949 and Wright 1952
Sister taxa: Mathoceratinae, Turkmeniceras
Subtaxa: Deshayesites Dufrenoyia Prodeshayesites
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Azerbaijan (2 collections), Canada (1: Northwest Territories), Colombia (1), Egypt (1), France (34), Georgia (1), Germany (4), Greenland (4), India (1), Italy (1), Madagascar (1), Mexico (28), Morocco (1), the Russian Federation (3), Serbia and Montenegro (1), Spain (14), Tanzania (1), Turkmenistan (7), the United Kingdom (41), United States (20: Arizona, Louisiana, Texas), Venezuela (4)
Total: 171 collections including 289 occurrences