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Evans, J. & Shumard, B. F. (1856). Descriptions of new fossil species from the fresh water Tertiary Formation of Nebraska, Collected by the North Pacific Railroad Expedition, under Gov. J. J. Stevens. Proceedings of the Academy of Natural Sciences of Philadelphia. 7: 164-165.
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Evans, J. & Shumard, B. F.
1856
Descriptions of new fossil species from the fresh water Tertiary Formation of Nebraska, Collected by the North Pacific Railroad Expedition, under Gov. J. J. Stevens
Proceedings of the Academy of Natural Sciences of Philadelphia
7: 164-165
Publication
Date action by
Lymnea diaphana J. Evans & Shumard, 1856 † accepted as Lymnaea diaphana J. Evans & Shumard, 1856 † (original description)
Lymnea nebrascensis J. Evans & Shumard, 1856 † accepted as Lymnaea nebrascensis J. Evans & Shumard, 1856 † (original description) Physa secalina J. Evans & Shumard, 1856 † (original description) Planorbis nebrascensis J. Evans & Shumard, 1856 † accepted as Menetus nebrascensis (J. Evans & Shumard, 1856) † (original description) |