Brachythyris M'Coy 1844 (lamp shell)

Rhynchonellata - Spiriferida - Brachythyrididae

Full reference: F. M'Coy. 1844. A synopsis of the characters of the Carboniferous limestone fossils of Ireland 1-274

Parent taxon: Brachythyrididae according to A. Williams et al. 2006

See also Campbell and Engel 1963 and Sepkoski 2002

Sister taxa: Cathayspirina, Dalaia, Ella, Meristorygma, Pustuloplica

Subtaxa: Brachythyris chouteauensis Brachythyris ellipsoideus Brachythyris ozarkensis Brachythyris quadriradiatus Brachythyris solida Brachythyris ufensis

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Ecology: stationary epifaunal suspension feeder

Distribution:

• Permian of Canada (5: British Columbia, Nunavut, Yukon collections), China (2), the Russian Federation (2), Slovenia (1), United States (2: Alaska)

• Pennsylvanian of United States (1: Alaska)

• Chesterian of United States (2: Arkansas, Montana)

• Osagean of Canada (2: Alberta, Northwest Territories), United States (6: Indiana, Montana, Utah)

• Carboniferous of Australia (42), Canada (13: Alberta, Northwest Territories, Yukon), China (5), Ireland (4), Libya (1), Pakistan (1), the United Kingdom (17), United States (45: Alaska, Arizona, Arkansas, Idaho, Illinois, Indiana, Iowa, Kentucky, Missouri, Montana, New Mexico, Oklahoma, Texas, Utah)

• Mississippian of Canada (1: Northwest Territories), United States (6: Alaska, Arizona)

• Devonian to Carboniferous of France (1)

• Devonian of Canada (1: Alberta), China (1)

Total: 161 collections including 187 occurrences

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