Swainson, W. (1840). A treatise on malacology; or the natural classification of shells and shell-fish. Longman, London, viii + 419 pp., available online athttp://www.biodiversitylibrary.org/item/33450 page(s): 250, 359 [details]
original descriptionSwainson, W. (1840). A treatise on malacology; or the natural classification of shells and shell-fish. Longman, London, viii + 419 pp., available online athttp://www.biodiversitylibrary.org/item/33450 page(s): 250, 359 [details]