Traits name details
original description
Keen, A. M. (1943). New mollusks from the Round Mountain Silt (Temblor) Miocene of California. <em>Transactions of the San Diego Society of Natural History.</em> 10: 25-60., available online at https://www.biodiversitylibrary.org/page/4268470 page(s): 43, pl. 4 fig. 5 [details]
basis of record
Addicott, W. O. (1970). Miocene gastropods and biostratigraphy of the Kern River area, California. <em>United States Geological Survey Professional Paper.</em> 642: 1-174, 21 pls., available online at https://pubs.usgs.gov/publication/pp642 page(s): 57, pl. 20 fig. 1, 32 [details]
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