Rhynchonellata - Spiriferida - Brachythyrididae
Parent taxon: Brachythyridoidea according to A. Williams et al. 2006
See also Chen 2004 and Waterhouse 2004
Sister taxa: Alphaneospiriferidae, Brachythyridinidae, Skelidorygmidae
Subtaxa: Brachythyris Cathayspirina Dalaia Ella Latibrachythyris Meristorygma Pustuloplica Pustuloplicinae
Type: Brachythyris
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Afghanistan (2 collections), Australia (2), Canada (5: British Columbia, Nunavut, Yukon), China (8), Japan (3), Laos (1), New Zealand (4), Pakistan (9), the Russian Federation (5), Slovenia (1), Thailand (6), United States (2: Alaska)
• Carboniferous of Australia (45), Canada (17: Alberta, Northwest Territories, Nunavut, Yukon), China (4), France (1), Ireland (4), Libya (1), Pakistan (1), the United Kingdom (20), United States (53: Alaska, Arizona, Arkansas, California, Idaho, Illinois, Indiana, Iowa, Kentucky, Missouri, Montana, New Mexico, Oklahoma, Texas, Utah)
• Devonian of Canada (1: Alberta), China (1), United States (1: New Mexico)
Total: 197 collections including 227 occurrences