Traits taxon details
original description
Meek, F. B. & Worthen, A. H. (1870). Descriptions of new species and genera of fossils from the Palaeozoic rocks of the western states. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 22, 22-56., available online at https://www.biodiversitylibrary.org/page/1935616 [details]
basis of record
Cooper, G. A.; Grant, R. E. (1974). Permian Brachiopods of West Texas, II. <em>Smithsonian Contributions to Paleobiology.</em> 15: 233-793. [details]
|