MolluscaBase name details
original description
(of Helix stearnsiana Gabb, 1868) 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): 235, pl. 16, fig. 1 [details]
additional source
Sei, M., Robinson, D. G., Geneva, A. J. & Rosenberg, G. (2017). Doubled helix: Sagdoidea is the overlooked sister group of Helicoidea (Mollusca: Gastropoda: Pulmonata). <em>Biological Journal of the Linnean Society.</em> 122(4): 697-728., available online at https://doi.org/10.1093/biolinnean/blx082
page(s): 704, 719 [details] Available for editors [request]