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Inarticulate Brachiopods of the Lower and Middle Cambrian Pioche Shale of the Ploche District, Nevada

A. J. Rowell

出版	University of Kansas Paleontological Institute, 1980
URL	http://books.google.com.hk/books?id=MVeyDUYGRioC&hl=&source=gbs_api

註釋

The Pioche Shale spans the Lower-Middle Cambrian boundary as currently recognized in North America and has yielded a modest inarticulate brachiopod fauna represented by at least nine species from two orders.