| Exchange | Collection Bjorn De Boer | |||
| All species depicted here are only available for exchange by Oliva- species | ||||
| Fresh water | ||||
| Bithyniidae | ||||
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Bithynia tentaculata (Linneaus,
1758)
France, L'étang de la Horre, 8 - 9 mm, only 4 |
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| Dreissenidae | ||||
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Dreissena polymorpha
(Pallas, 1771)
France, Lac du Der-Chantecoq, 10 - 16 mm |
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| Lymnaeidae | ||||
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Lymnaea auricularia (Linnaeus, 1758)
Belgium, Marchin, 9 - 23 mm, only 9 |
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Lymnaea stagnalis (Linnaeus, 1758)
France, L'étang de la Horre, 40 - 48 mm, only 3 |
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| Planorbidae | ||||
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Planorbarius corneus (Linnaeus, 1758)
France, L'étang de la Horre, 18 - 31 mm |
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Planorbis planorbis (Linnaeus, 1758)
France, L'étang de la Horre, 6 - 12 mm |
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