Bickel, D. (1973). Non-marine mollusks and two new species of <em>Pisidium</em> from the Tongue River Formation (Paleocene), of North Dakota. <em>The Nautilus.</em> 87(1): 13-18, figs. 1-16., available online athttps://www.biodiversitylibrary.org/page/8511782 page(s): 16, textfigs 11, 12 [details]
original descriptionBickel, D. (1973). Non-marine mollusks and two new species of <em>Pisidium</em> from the Tongue River Formation (Paleocene), of North Dakota. <em>The Nautilus.</em> 87(1): 13-18, figs. 1-16., available online athttps://www.biodiversitylibrary.org/page/8511782 page(s): 16, textfigs 11, 12 [details]
Present Inaccurate Introduced: alien Containing type locality
Etymology Named for the Canadian/American paleontologist, Loris Shano Russell (1904-1998). [details] Type locality About 8 mi. south of Sawyer, Ward County, North Dakota, NW 1/4, NW 1/4, sec. 19, T 152 N, R 81 W (USA) [details]
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