Anodonta anatina
| Deltaker | Kommune (fylke) | Ant. obs. | Ant. arter | Ant. bilder | Siste obs. |
|---|---|---|---|---|---|
| Askim videregående skole | Østfold, Norway | 1 | 1 | 0 | 1994-05-27 |
| Valler videregående skole | Akershus, Norway | 1 | 1 | 0 | 1990-09-03 |
| Hamar katedralskole | Innlandet, Norway | 1 | 1 | 0 | 1989-09-05 |
| Harestua skole | Akershus, Norway | 1 | 1 | 0 | 2019-06-05 |
| Ole A. Hoel | Akershus, Norway | 1 | 1 | 0 | 2010-06-10 |