MolluscaBase name details
original description
(of Crassispira Swainson, 1840) Swainson, W. (1840). A treatise on malacology; or the natural classification of shells and shell-fish. Longman, London, viii + 419 pp., available online at http://www.biodiversitylibrary.org/item/33450
page(s): 153, 313 [details]
basis of record
Sowerby, G. B. III. (1892). <i>Marine shells of South Africa. A catalogue of all the known species with references to figures in various works, descriptions of new species, and figures of such as are new, little known, or hitherto unfigured</i>, London: G. B. Sowerby. 89 pp., 5 pls. , available online at https://www.biodiversitylibrary.org/page/1353472
page(s): 5 [details]