Family: Hornvannkalver (Noteridae)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Dælivannet | Akershus, Norway | 2 | 1 | 0 | 1990-09-03 | |
| Jarenvannet | Innlandet, Norway | 2 | 1 | 0 | 1990-08-28 | |
| Kolbotnvannet | Akershus, Norway | 1 | 1 | 0 | 1992-06-04 | |
| Krussætertjern | Østfold, Norway | 1 | 1 | 0 | 1990-06-01 | |
| Sagtjernet | Innlandet, Norway | 1 | 1 | 0 | 1992-09-21 | |
| Skranevatnet | Vestland, Norway | 1 | 1 | 0 | 2013-05-30 | |
| Varavannet | Vestland, Norway | 1 | 1 | 0 | 2013-09-03 | |
| Årungen | Akershus, Norway | 2 | 1 | 0 | 1992-09-20 |