MolluscaBase taxon details
original description
Pierce, H.G.; Constenius, K.N. (2001). Late Eocene-Oligocene nonmarine mollusks of the northern Kishenehn Basin, Montana and British Columbia. <em>Annals of Carnegie Museum.</em> 70(1): 1-112. page(s): 72, figs 16A-C [details] Available for editors [request]
From editor or global species database
Type locality Locality NFF-23, E bank of Flathead River, just N of mouth of Ford Creek, Montana, United States; Chadronian, late Eocene, late Eocene [details]
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