Yen, T.-C.; Reeside, J.B.J. (1946). Fresh-Water Mollusks from the Morrison Formation (Jurassic) of Sublette County, Wyoming. Journal of Paleontology. 20(1): 52-58.
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Yen, T.-C.; Reeside, J.B.J.
1946
Fresh-Water Mollusks from the Morrison Formation (Jurassic) of Sublette County, Wyoming