Traits name details
original description
Wood, S.V. (1877). A monograph of the Eocene Cephalopoda and Univalves of England. Part IV. Pulmonata and Prosobranchiata <em>Palaeontographical Society Monograph</em>. 31: 331-361, pl. 34, available online at https://www.biodiversitylibrary.org/page/37014149 page(s): 336, pl. 34, figs 7a-b [details]
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