Traits taxon details
original description
(of Thysanophora oxyaenae T. D. A. Cockerell, 1914 †) Cockerell, T. D. A. (1914). Land shells from the Tertiary of Wyoming. <em>Bulletin of the American Museum of Natural History.</em> 33: 323-325., available online at https://digitallibrary.amnh.org/bitstream/handle/2246/1770//v2/dspace/ingest/pdfSource/bul/B033a24.pdf?sequence=1&isAllowed=y page(s): 325, fig. 5 [details]
basis of record
Hartman, J.H.; Roth, B. (1998). Late Paleocene and Early Eocene Nonmarine Molluscan Faunal Change in the Bighorn Basin, Northwestern Wyoming and South-Central Montana. In: Aubrey, M.-P.; Lucas, S.G.; Berggren, W.A. (eds) Late Paleocene–Early Eocene Biotic and Climatic Events in the Marine and Terrestrial Records. Columbia University Press, pp. 323-379. page(s): 326 [details]
basis of record
Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313. page(s): 143 [details] Available for editors 
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