Victoria University of Wellington Library
Title: A Guide to the Freshwater Mollusca of New Zealand
Author: M. J. Winterbourn
In: Tuatara: Volume 20, Issue 3, November 1973
Publication details: Wellington
Part of: Tuatara : Journal of the Biological Society
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Plate 2: Figures 8–11: Potamopyrgus antipodarum. Figures 12, 13: Potamopyrgus estuarinus. Figure 14: P. estuarinus, head and penis. Figures 15, 16: Latia neritoides, dorsal and lateral views.