Strophomenata - Productida - Productidae
Parent taxon: Buxtoniinae according to A. Williams et al. 2000
Sister taxon: Tolmatchoffiini
Subtaxa: Bellaclathrus Buxtonia Buxtonioides Flexaria Kochiproductus Kukulkanus Labriproductus Marginicinctus Setigerites
Type: Buxtonia
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of Afghanistan (1 collection), Bolivia (5), Canada (31: British Columbia, Nunavut, Yukon), Chile (5), China (30), Greenland (30), Iran (6), Japan (2), Laos (1), Mexico (4), Mongolia (8), the Russian Federation (22), Svalbard and Jan Mayen (5), Ukraine (1), United States (78: Alaska, Arizona, California, Idaho, Nevada, New Mexico, Oregon, Texas, Utah)
• Carboniferous of Argentina (2), Australia (19), Brazil (1), Canada (17: Alberta, Northwest Territories, Nunavut, Yukon), China (6), Ireland (1), Libya (1), Peru (3), the Russian Federation (2), South Korea (1), the United Kingdom (21), United States (122: Alaska, Arizona, Arkansas, California, Idaho, Idaho-Utah, Indiana, Iowa, Kentucky, Missouri, Montana, Nevada, New Mexico, Oklahoma, Tennessee, Texas, Wyoming)
• Devonian of Afghanistan (1)
Total: 426 collections including 456 occurrences