Rhynchonellata - Spiriferida - Choristitidae
Parent taxon: Spiriferoidea according to A. Williams et al. 2006
See also Carter and Poletaev 1998, Shen et al. 2003 and Waterhouse 2004
Sister taxa: Aulidospiridae, Imbrexiidae, Reticulariacea, Spiriferellidae, Spiriferidae, Trigonotretidae
Subtaxa: Angiospiriferinae Choristitinae Tangshanellinae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Wolfcamp of Canada (2: Yukon collections)
• Permian of Australia (2), Austria (2), Canada (2: Nunavut, Yukon), China (49), Japan (5), Malaysia (3), Mongolia (1), Pakistan (16), the Russian Federation (12), Slovenia (1), Thailand (7), United States (1: Alaska)
• Desmoinesian of United States (6: Utah)
• Pennsylvanian of Canada (2: Nunavut)
• Westphalian of Spain (1)
• Chesterian of United States (2: Wyoming)
• Carboniferous to Permian of United States (2: California)
• Carboniferous of Canada (7: Nunavut, Yukon), China (12), Egypt (5), Italy (1), Malaysia (2), Nepal (1), Pakistan (1), the Russian Federation (8), South Korea (4), Ukraine (1), the United Kingdom (31), United States (8: California, Nevada)
• Mississippian of United States (3: Alaska, Washington, Oregon, Idaho, Montana, Nevada, Utah, California)
Total: 200 collections including 254 occurrences