Strophomenata - Productida - Productellidae
Parent taxon: Productinae according to J. B. Waterhouse 2004
See also Chen 2004 and Williams et al. 2000
Sister taxa: Calliomarginatia, Kozlowskiini, Neopugilis, Productini, Spyridiophorini, Tianshanoproductus
Subtaxa: Antiquatonia Brachiotesuquea Kelamelia Keokukia Kutorginella Marginoproductus Pitakpaivania Promarginifera Retaria Svalbardoproductus Thamnosia Tubaria
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of Afghanistan (2 collections), Bolivia (1), Canada (59: Alberta, British Columbia, Northwest Territories, Nunavut, Yukon), China (13), Japan (5), Malaysia (3), Mexico (15), Myanmar (7), Norway (1), Pakistan (4), the Russian Federation (22), Svalbard and Jan Mayen (33), Thailand (5), Ukraine (7), United States (175: Alaska, Arizona, California, Idaho, Kansas, Nevada, New Mexico, Oregon, Texas, Utah, Wyoming), Venezuela (5)
• Carboniferous to Permian of United States (1: Texas)
• Carboniferous of Australia (11), Canada (3: Nunavut), China (11), Egypt (3), Ireland (1), Mexico (1), the Russian Federation (1), Spain (1), the United Kingdom (10), United States (251: Arizona, Arkansas, California, Colorado, Idaho, Illinois, Iowa, Kansas, Missouri, Montana, Nevada, New Mexico, Ohio, Oklahoma, Texas, Utah, Washington, Oregon, Idaho, Montana, Nevada, Utah, California, Wyoming)
Total: 651 collections including 745 occurrences