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Evans, J. & Shumard, B. F. (1854). Descriptions of new fossil species from the Cretaceous formation of Sage Creek, Nebraska, collected by the North Pacific Railroad Expedition, under Gov. J. J. Stevens;. Proceedings of the Academy of Natural Sciences of Philadelphia. 7: 163-164.
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Evans, J. & Shumard, B. F.
1854
Descriptions of new fossil species from the Cretaceous formation of Sage Creek, Nebraska, collected by the North Pacific Railroad Expedition, under Gov. J. J. Stevens;
Proceedings of the Academy of Natural Sciences of Philadelphia
7: 163-164
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Rostellaria nebrascensis J. Evans & Shumard, 1854 † accepted as Drepanochilus nebrascensis (J. Evans & Shumard, 1854) † (original description)
Solarium flexistriatum J. Evans & Shumard, 1854 † (original description)
Solarium flexistriatum J. Evans & Shumard, 1854 † (original description)
