Traits taxon details
original description
Yen, T.-C.; Reeside, J.B.J. (1946). Fresh-Water Mollusks from the Morrison Formation (Jurassic) of Sublette County, Wyoming. <em>Journal of Paleontology.</em> 20(1): 52-58. page(s): 53, figs 1a-b [details] Available for editors
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