Cephalopoda - Ammonoida - Paragastrioceratidae
Parent taxon: Paragastrioceratidae according to D. Korn and V. Hairapetian 2021
See also Furnish et al. 2009, Korn 2006 and Korn and Ghaderi 2016
Sister taxa: Atsabitinae, Aulacogastrioceratinae, Clausiuraloceras, Margoceras, Paragastrioceratinae, Paratumaroceras
Subtaxa: Altudoceras Aulacogastrioceras Chekiangoceras Daubichites Metagastrioceras Pseudogastrioceras Retiogastrioceras Roadoceras Sabaliceras Stenolobulites Strigogoniatites
Type: Pseudogastrioceras
Ecology: fast-moving nektonic carnivore
Distribution:
• Permian to Triassic of China (2 collections)
• Permian of Armenia (3), Australia (7), Azerbaijan (25), Canada (7: British Columbia, Nunavut), China (143), Guatemala (1), Indonesia (1), Iran (18), Iraq (1), Italy (3), Japan (2), Mexico (7), Oman (3), the Russian Federation (7), Thailand (1), Tunisia (2), United States (77: Alaska, Arizona, Idaho, Montana, Texas, Utah, Wyoming)
Total: 310 collections including 355 occurrences