Traits name details
original description
Henderson, J. B. & Bartsch, P. (1920). A classification of the American operculate land mollusks of the family Annulariidae. <em>Proceedings of the United States National Museum.</em> 58(2327): 49-82., available online at https://www.biodiversitylibrary.org/page/7290135 page(s): 74 [details]
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