MolluscaBase name details
original description
Gabb, W. M. (1868). Description of new species of land shells from lower California. <em>American Journal of Conchology.</em> 3(3): 235-238, pl. 16. ["1867"; 2 January 1868]., available online at https://www.biodiversitylibrary.org/page/6658974
page(s): 236, pl. 16, fig. 5 [details]