Traits taxon details
original description
King, R. E. (1931). The Geology of the Glass Mountains, Texas, Part II, Faunal summary and correlation of the Permian formations with description of Brachiopoda. <em>The University of Texas Bulletin.</em> 3042: 1-245. [details]
additional source
Cooper, G. A.; Grant, R. E. (1974). Permian Brachiopods of West Texas, II. <em>Smithsonian Contributions to Paleobiology.</em> 15: 233-793. [details]
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