Cephalopoda - Goniatitida - Paragastrioceratidae
Parent taxon: Neoicoceratoidea according to D. Korn and V. Hairapetian 2021
See also Furnish et al. 2009, Korn 2006, Korn and Ghaderi 2016, Leonova 2002, Waterhouse 1987 and Zhou 2017
Sister taxa: Anuitidae, Aulacogastrioceratidae, Eupleuroceratidae, Metalegoceratidae, Neoicoceratidae, Pseudogastrioceratidae, Spirolegoceratidae
Subtaxa: Atsabitinae Aulacogastrioceratinae Clausiuraloceras Margoceras Paragastrioceratinae Paratumaroceras Pseudogastrioceratinae
Ecology: fast-moving nektonic carnivore
Distribution:
• Permian to Triassic of China (2 collections)
• Permian of Armenia (3), Australia (14), Azerbaijan (25), Canada (16: British Columbia, Nunavut, Yukon), China (152), East Timor (2), Guatemala (1), Indonesia (1), Iran (18), Iraq (1), Italy (3), Japan (3), Kazakhstan (20), Mexico (7), New Zealand (1), Oman (3), the Russian Federation (92), Tajikistan (8), Thailand (1), Tunisia (2), United States (86: Alaska, Arizona, Idaho, Montana, Nevada, Texas, Utah, Wyoming)
Total: 461 collections including 628 occurrences