MolluscaBase taxon details
original description
White, C.A. (1886). On the relation of the Laramie molluscan fauna to that of the succeeding fresh-water Eocene and other groups. <em>United States Geological Survey Bulletin.</em> 34: 391-442. page(s): 26, pl. 2, fig. 22 [details]
From editor or global species database
Type locality Reported by White (1886) as "Wales" (Utah). However, according to La Rocque (1960), there are no lacustrine deposits at this locality. After Spieker (1946), the fossils reported by White variably derive from Price River, North Horn and Flagstaff formations (Campanian-Paleocene). [details]
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