Traits taxon details
original description
Dunbar, C. O.; Condra, G. E. (1932). Brachiopoda of the Pennsylvanian System in Nebraska. <em>Nebraska Geological Survey, Bulletin, second series.</em> 5: 1-377. [details]
additional source
Cooper, G. A.; Grant, R. E. (1976). Permian Brachiopods from West Texas, IV. <em>Smithsonian Contributions to Paleobiology.</em> 21: 1923-2607. [details]
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