MolluscaBase taxon details
original description
(of Pecten occidentalis Shumard, 1855 †) Shumard, B. F. (1855). Dr. B. F. Shumard's report - Description of a Geological Section, on the Mississippi River, from St. Louis to Commerce. In: Swallow, G. C. (Ed.) The First and Second Annual Reports of the Geological Survey of Missouri. James Lusk, Jefferson City, pp. 137-208., available online at https://books.google.de/books?redir_esc=y&hl=de&id=Es9oAAAAcAAJ page(s): 207, pl. C, fig. 18 [details]
basis of record
Wei, J.-M.; Yang, Z.-R. (1983). Bivalvia. In: Regional Geological Survey Team of Xinjiang, Institute of Geosciences of Xinjiang, Geological Survey Group of Petroleum Bureau of Xinjiang (eds) Paleontological Atlas of northwestern China, Xinjiang Uygur Autonomous Region, vol. 2. Late Paleozoic. Geological Publishing House, Beijing, pp. 386-450. page(s): 408, pl. 152, fig. 2.9 [details] Available for editors [request]
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