Firby, J.R. (1966). New non-marine Mollusca from the Esmeralda Formation, Nevada <em>Proceedings of the California Academy of Sciences, fourth series</em>. 33(14): 453-480, available online athttp://www.biodiversitylibrary.org/page/26236670#page/481/mode/1up page(s): 463-464, figs 2, 3, 6, 7, 10 [details]
original descriptionFirby, J.R. (1966). New non-marine Mollusca from the Esmeralda Formation, Nevada <em>Proceedings of the California Academy of Sciences, fourth series</em>. 33(14): 453-480, available online athttp://www.biodiversitylibrary.org/page/26236670#page/481/mode/1up page(s): 463-464, figs 2, 3, 6, 7, 10 [details]
Present Inaccurate Introduced: alien Containing type locality