A partial survey of the area belonging to the inundation sluice in S.E.-Beemster has revealed so far the presence of three amphibious land snails belonging to the Succineidae, 13 freshwater snails including one amphibious species: Galba truncatula, and two freshwater mussels. A solution has to be found how to continue and to carry out a better survey of the large pond forming part of the complex.

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Spirula

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Nederlandse Malacologische Vereniging

H.K. Mienis. (2016). Een overzicht betreffende de amfibische- en zoetwatermollusken aanwezig in het gebied van de inundatiesluis in de Zuiddijk, Z.O.-Beemster, behorende tot de Stelling van Amsterdam. Spirula, 406, 34–36.