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