Gill T. (1871). Arrangement of the families of mollusks. Prepared for the Smithsonian Institution. <em>Smithsonian Miscellaneous Collections.</em> 227: xvi + 49 pp., available online athttps://www.biodiversitylibrary.org/page/9051572 page(s): 3 [details]
original descriptionGill T. (1871). Arrangement of the families of mollusks. Prepared for the Smithsonian Institution. <em>Smithsonian Miscellaneous Collections.</em> 227: xvi + 49 pp., available online athttps://www.biodiversitylibrary.org/page/9051572 page(s): 3 [details]