Traits name details
original description
Pilsbry, H. A. (1934). Pliocene fresh-water fossils of the Kettleman Hills and neighboring Californian oil fields. <em>The Nautilus.</em> 48(1): 15-17., available online at https://www.biodiversitylibrary.org/page/8520846 page(s): 15 [details]
basis of record
Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313. page(s): 223 [details] Available for editors 
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