Cephalopoda - Ammonitida - Tetragonitidae
Parent taxon: Tetragonites according to G. M. El Qot 2018
See also Cooper and Kennedy 1979, Szives 2007 and Wright et al. 1996
Sister taxa: Litoceras (Tetragonites) zacatecanum, Lytoceras (Tetragonites) kingianum, Neoepigoniceras, Tetragonites bournensis, Tetragonites brazoensis, Tetragonites crudus, Tetragonites epigonus, Tetragonites glabrus, Tetragonites jonesi, Tetragonites lecontei, Tetragonites madagascarensis, Tetragonites margaritatus, Tetragonites marshalli, Tetragonites nautiloides, Tetragonites obscurus, Tetragonites popetensis, Tetragonites pusillus, Tetragonites silencioensis, Tetragonites simplex, Tetragonites subtimotheanus, Epigoniceras epigonum, Tetragonites (Carinites) spathi
Subtaxa: Tetragonites (Tetragonites) collignoni Tetragonites (Tetragonites) duvalianus Tetragonites (Tetragonites) heterosulcatum Tetragonites (Tetragonites) jurinianus Tetragonites (Tetragonites) kitchini Tetragonites (Tetragonites) timotheanus
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Angola (3 collections), Antarctica (2), Argentina (1), Canada (8: British Columbia), the Dominican Republic (1), Egypt (6), France (9), Hungary (1), Italy (1), Madagascar (2), Mozambique (1), New Zealand (1), Serbia (1), United States (11: Alaska, California, Oregon), Venezuela (1)
Total: 49 collections including 55 occurrences