Order: Planarier (Tricladida)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Arkavatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-08-28 | |
| Espegrend | Vestland, Norway | 3 | 1 | 0 | 2001-01-24 | |
| Husavatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-28 | |
| Illestadvatnet | Vestfold, Norway | 1 | 1 | 0 | 2001-05-23 | |
| Kverndammen | Telemark, Norway | 1 | 1 | 0 | 1989-09-26 | |
| Mosvatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-09-06 | |
| Myravatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Rossevatn | Rogaland, Norway | 1 | 1 | 0 | 1989-09-06 | |
| Storavatnet | Vestland, Norway | 2 | 2 | 0 | 1989-09-26 | |
| Tveitevannet | Vestland, Norway | 2 | 2 | 0 | 1989-08-25 | |
| Vikerauntjønna | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-27 | |