Traits name details
original description
(of ) 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): 73 [details]
basis of record
Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details] 
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