Strophomenata - Productida - Cyclacanthariidae
Full reference: G. A. Cooper and R. E. Grant. 1975. Permian Brachiopods of West Texas, III. Smithsonian Contributions to Paleobiology 19:795-1921
Parent taxon: Richthofenioidea according to A. Williams et al. 2000
Sister taxa: Crania permiana, Forma, Gemmellaroiidae, Hercosiidae, Prorichthofenia, Prorichthofeniinae, Richthofeniidae
Subtaxa: Cyclacanthariinae Teguliferininae
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of Azerbaijan (1 collection), China (2), Japan (4), Mexico (8), Oman (11), Slovenia (2), Tajikistan (5), Thailand (2), Tunisia (5), United States (268: Alaska, Kansas, New Mexico, Oklahoma, Texas)
• Virgilian of United States (1: Texas)
• Carboniferous of China (1), United States (23: Oklahoma, Texas)
• Mississippian of United States (1: Alaska)
Total: 334 collections including 418 occurrences