Traits name details
original description
Edwards, F. E. (1852). A monograph of the Eocene Mollusca, or descriptions of shells from the Older Tertiaries of England. Part II. Pulmonata. <em>Monographs of the Palaeontographical Society.</em> 6 (18): 57-122, pl. 10-15., available online at https://www.biodiversitylibrary.org/page/12894018 page(s): 117, pl. 10, figs 1a-c [details] 
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