Traits name details
original description
Pierce, H.G. (1992). The nonmarine mollusks of the Late Oligocene-Early Miocene Cabbage Patch fauna of western Montana. II. Terrestrial gastropod families other than Pupillidae (Pulmonata: Stylommatophora). <em>Journal of Paleontology.</em> 66(4): 610-620. page(s): 611-612, figs 3.6-3.9 [details] Available for editors 
basis of record
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): 47, figs 9Q-R [details] Available for editors 
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