Species: Glattskivesnegl (Gyraulus laevis)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Hjørungdalsvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-06 | |
| Tveitevannet | Vestland, Norway | 1 | 1 | 0 | 1989-08-25 | |
| Åstveitvannet | Vestland, Norway | 1 | 1 | 0 | 1989-09-07 |