Traits taxon details
original description
(of Melania nebrascensis Meek & Hayden, 1856 †) Meek, F.B.; Hayden, F.V. (1856). Descriptions of New Species of Acephala and Gastropoda, from the Tertiary formations of Nebraska Territory, with some general remarks on the Geology of the country about the sources of the Missouri River. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 8: 111-126., available online at https://www.biodiversitylibrary.org/page/1935165 page(s): 124-125 [details]
basis of record
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 at https://www.biodiversitylibrary.org/page/8511782 page(s): 17 [details]
additional source
Hartman, J.H. (1981). Early Tertiary nonmarine Mollusca of New Mexico: A review. <em>Geological Society of America Bulletin.</em> 92(12): 942-950., available online at https://doi.org/10.1130/0016-7606(1981)92 page(s): 946 [details] Available for editors
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