MolluscaBase name details
original description
Girty G. H. (1909). The Guadalupian fauna. <em>United States Geological Survey Professional Paper.</em> 58: 1-651., available online at https://pubs.usgs.gov/pp/0058/report.pdf
page(s): 441, pl. 9, figs. 13, 13a, 14, 14a [details]