Traits taxon details
original description
(of ) Tryon, G. W. (1866). Monograph of the terrestrial Mollusca of the United States. <em>American Journal of Conchology.</em> 2(3): 218-279, pls 1-4 [1 July]; 2(4): 306-327, pls 5-6 [6 October]., available online at https://biodiversitylibrary.org/page/6660487 page(s): 316, pl. 5, fig. 19 [details]
basis of record
Pilsbry, H. A. (1913). Notes upon some lower Californian helices. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 65(2): 380-393, plates 15-16., available online at https://www.biodiversitylibrary.org/page/26307359 page(s): 382; note: Type species of Xerarionta Pilsbry, 1913 [details]
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