†family Cyclacanthariidae Cooper and Grant 1975 (lamp shell)

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

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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

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