(ofAncillaria obtusa Swainson, 1825)Swainson, W. J. (1825). A monograph of the genus Ancillaria, with descriptions of several new species. <em>Quarterly Journal of Science, Literature, and the Arts.</em> 18: 272-289. page(s): 282 [details]
original description(ofAncillaria obtusa Swainson, 1825)Swainson, W. J. (1825). A monograph of the genus Ancillaria, with descriptions of several new species. <em>Quarterly Journal of Science, Literature, and the Arts.</em> 18: 272-289. page(s): 282 [details]
Present Inaccurate Introduced: alien Containing type locality