Traits name details
original description
Gordon M., Yochelson E.L. (1987). Late Mississippian gastropods of the Chainman Shale, West-Central Utah. <em>Usgs Professional Paper.</em> 1368: 1-112., available online at https://pubs.usgs.gov/pp/1368/report.pdf page(s): 27, pl. 1, fig. 1-6 [details] Available for editors 
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