Parent taxon: Spiriferidina according to A. Williams et al. 2006
Sister taxa: Adolfioidea, Ambocoelioidea, Brachythyridoidea, Cyrtioidea, Cyrtospiriferoidea, Delthyridacea, Martinioidea, Spirifera paucicostata, Spirifera trapezoidalis, Spirifera vespertilio, Spiriferoidea, Theodossioidea
Subtaxa: Paeckelmanellidae Strophopleuridae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Afghanistan (1 collection), Australia (2), Canada (12: British Columbia, Northwest Territories, Nunavut, Yukon), China (10), Germany (4), Greenland (12), India (3), Japan (1), Laos (1), Lithuania (12), Mongolia (3), Nepal (29), Pakistan (39), Poland (2), the Russian Federation (21), Svalbard and Jan Mayen (5), Tajikistan (1), the United Kingdom (17), United States (38: Alaska, Nevada, Texas, Utah)
• Namurian of Australia (7)
• Carboniferous to Permian of China (3)
• Carboniferous of Afghanistan (1), Australia (33), Canada (25: Alberta, Nunavut), China (2), France (1), India (5), Mexico (1), Nepal (3), Pakistan (1), the Russian Federation (2), South Korea (1), Svalbard and Jan Mayen (1), the United Kingdom (12), United States (24: Alaska, Arkansas, Indiana, Iowa, Missouri, Nevada, Oklahoma, Tennessee, Texas)
• Devonian of Canada (2: Alberta), China (1), France (1), United States (9: Colorado, New Mexico)
Total: 348 collections including 392 occurrences