MolluscaBase taxon details
original description
(of Nacella peltoides P. P. Carpenter, 1864) Carpenter, P. P. (1864). Diagnoses of new forms of Mollusca collected at Cape St. Lucas, Lower California, by Mr. Xantus. <em>Annals and Magazine of Natural History.</em> ser. 3, 13: 311-315; 474-479., available online at http://biodiversitylibrary.org/page/22217573
page(s): 474 [details]
original description
(of Williamia galapagana Dall, 1909) Dall, W. H. (1909). Report on a collection of shells from Peru, with a summary of the littoral marine Mollusca of the Peruvian zoological province. <em>Proceedings of the United States National Museum.</em> 37 (1704): 147–294, pl. 20-28., available online at https://www.biodiversitylibrary.org/page/15556390 [details]
basis of record
McLean J.H. (1998) Reinstatement of <i>Williamia subspiralis</i> (Carpenter, 1864) (Gastropoda: Siphonariidae). <i>The Veliger</i> 41: 243-248. [details]
additional source
Turgeon, D., Quinn, J. F., Bogan, A. E., Coan, E. V., Hochberg, F. G., Lyons, W. G., Mikkelsen, P. M., Neves, R. J., Roper, C. F. E., Rosenberg, G., Roth, B., Scheltema, A., Thompson, F. G., Vecchione, M., Williams, J. D. (1998). Common and scientific names of aquatic invertebrates from the United States and Canada: mollusks. 2nd ed. <i>American Fisheries Society Special Publication</i>, 26. American Fisheries Society: Bethesda, MD (USA). ISBN 1-888569-01-8. IX, 526 + cd-rom pp. (look up in IMIS)
page(s): 137 [details]
Present Inaccurate Introduced: alien Containing type locality