MolluscaBase taxon details
original description
Pierce, H.G. (1993). The nonmarine mollusks of the Late Oligocene-Early Miocene Cabbage Patch fauna of western Montana III. Aquatic mollusks and conclusions. <em>Journal of Paleontology.</em> 67(6): 980-993. page(s): 986, figs 1.21-1.22 [details] Available for editors [request]
From editor or global species database
Type locality Locality KU-MT-46, south-facing exposures on hill side along N side of Bert Creek, Granite County, Montana, United States; Renova Formation, middle Cabbage Patch beds, late Oligocene [details]
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