Species: Stor ferskvannsgjellesnegl (Viviparus viviparus)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Bogstadvannet | Oslo, Norway | 1 | 1 | 0 | 1994-06-06 | |
| Dam ved idrettsplassen i Sylling | Buskerud, Norway | 1 | 1 | 0 | 2013-09-06 |
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Responsible editor: Doris Jorde