original description(ofCyclostrema fluctuatum Hutton, 1883)Hutton, F. W. (1883). Notes on some marine Mollusca. <em>New Zealand Journal of Science (1) 1 (10): 477-478.</em> page(s): 477 [details]
basis of recordSuter H. (1913). <i>Manual of the New Zealand Mollusca with an atlas of quarto plates</i>. Wellington. xxiii + 1120 pp. [1913] Atlas pls 1-72 [1915]. , available online athttps://www.biodiversitylibrary.org/page/1322773[details]
Present Inaccurate Introduced: alien Containing type locality