MolluscaBase taxon details
original description
Thompson, F. G. (1968). <i>Ceochasma</i>, a remarkable new land snail from Colima, Mexico (Gastropoda, Prosobranchia, Helicinidae). <em>Proceedings of the Biological Society of Washington.</em> 81: 45-52., available online at https://www.biodiversitylibrary.org/page/34605586
page(s): 45 [details]
basis of record
Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]