Traits name details
original description
Brown, A. P. & Pilsbry, H. A. (1914). Fresh-water mollusks of the Oligocene of Antigua. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 66: 209-213., available online at https://www.biodiversitylibrary.org/page/1856563 page(s): 212, textfig. 1 [details]
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