Species: Hvitskivesnegl (Gyraulus albus)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Kolbjørnviksjøen | Østfold, Norway | 1 | 1 | 0 | 1989-09-01 | |
| Årungen | Akershus, Norway | 1 | 1 | 0 | 1992-09-20 |
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Responsible editor: Doris Jorde