MolluscaBase name details
original description
Robinson, W. I. (1915). Two new fresh-water gastropods from the Mesozoic of Arizona. <em>American Journal of Science, fourth series.</em> 40(240): 649-651., available online at https://doi.org/10.2475/ajs.s4-40.240.649
page(s): 650, textfig. 1a-c [details]