Traits taxon details
original description
Cooper, G. A.; Grant, R. E. (1969). New Permian brachiopods from west Texas. <em>Smithsonian Contributions to Paleobiology.</em> 1: 1-20. [details]
basis of record
Cooper, G. A.; Grant, R. E. (1976). Permian Brachiopods of west Texas, V. <em>Smithsonian Contributions to Paleobiology.</em> 24: 2609-3159. [details] Available for editors 
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