Genus: Coelosphaerium
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Abbortjernet | Innlandet, Norway | 1 | 1 | 0 | 1989-08-22 | |
| Elgtjern | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-15 | |
| Maltjern | Akershus, Norway | 2 | 1 | 0 | 1991-06-12 | |
| Midsjøvannet | Akershus, Norway | 1 | 1 | 0 | 1993-09-19 | |
| Molbekktjernet | Østfold, Norway | 1 | 1 | 0 | 1989-09-04 | |
| Mosvatnet | Rogaland, Norway | 1 | 1 | 0 | 1993-06-03 | |
| Sagtjernet | Innlandet, Norway | 1 | 1 | 0 | 1991-07-25 | |
| Semsvannet | Akershus, Norway | 1 | 1 | 0 | 1989-09-21 | |
| Sillongen | Innlandet, Norway | 1 | 1 | 0 | 1990-05-22 | |
| Skjelbreidvatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Storavatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-26 | |
| Tjennane | Telemark, Norway | 1 | 1 | 0 | 1993-09-15 | |