Sphaerium corneum
| Område | Kommune (fylke) | Ant. obs. | Ant. arter | Ant. bilder | Siste obs. | |
|---|---|---|---|---|---|---|
| Dælivannet | Akershus, Norway | 1 | 1 | 0 | 1989-09-07 | |
| Gjølsjøen | Østfold, Norway | 1 | 1 | 0 | 1996-06-11 | |
| Jarenvannet | Innlandet, Norway | 4 | 1 | 0 | 1996-09-18 | |
| Korssjøen | Vestfold, Norway | 2 | 1 | 0 | 1996-09-09 | |
| Mosvatnet | Rogaland, Norway | 1 | 1 | 0 | 1995-09-19 | |
| Nøklevann | Oslo, Norway | 1 | 1 | 0 | 1990-06-05 | |
| Rullestadtjern | Akershus, Norway | 1 | 1 | 0 | 1991-09-19 | |
| Semsvannet | Akershus, Norway | 1 | 1 | 0 | 1993-05-26 | |
| Sætertjern | Akershus, Norway | 3 | 1 | 0 | 1996-10-24 | |
| Tømmervatnet | Troms, Norway | 1 | 1 | 0 | 1993-09-17 | |
| Vikerauntjønna | Trøndelag, Norway | 1 | 1 | 0 | 1993-09-15 |