MolluscaBase name details
original description
Williams, H. S.; Breger, C. L. (1916). The fauna of the Chapman sandstone of Maine, including descriptions of some related species from the Moose River sandstone. <em>United States Geological Survey Professional Paper.</em> 89: 1-347., available online at https://doi.org/10.3133/pp89
page(s): 163 [details]