Species: Bekkemeitemark (Eiseniella tetraedra)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Arkavatnet | Rogaland, Norway | 1 | 1 | 0 | 1991-05-30 | |
| Bekk fra fotballbane mot Vardevannet | Vestland, Norway | 1 | 1 | 0 | 2015-04-08 | |
| Elvesving | Akershus, Norway | 1 | 1 | 0 | 2010-05-05 | |
| Fagervolden | Trøndelag, Norway | 1 | 1 | 0 | 2007-10-31 | |
| Hegglandsvatnet | Vestland, Norway | 1 | 1 | 0 | 1993-06-02 | |
| Hjørungdalsvatnet | Møre og Romsdal, Norway | 4 | 1 | 0 | 1993-06-11 | |
| Hopsvannet | Vestland, Norway | 1 | 1 | 0 | 2012-09-24 | |
| Ibestadvatnet | Troms, Norway | 3 | 1 | 0 | 1992-06-17 | |
| Kolbjørnviksjøen | Østfold, Norway | 1 | 1 | 0 | 1991-09-05 | |
| Litlvatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Lundarvatnet | Vestland, Norway | 1 | 1 | 0 | 1993-05-13 | |
| Råtjørna | Vestland, Norway | 1 | 1 | 0 | 2008-06-17 | |
| Spildervatnet | Nordland, Norway | 4 | 1 | 0 | 1993-06-10 | |
| Store Nesttunvann | Vestland, Norway | 1 | 1 | 0 | 2012-09-25 | |
| Tanumbekken | Akershus, Norway | 2 | 1 | 0 | 2010-05-07 | |
| Tornesvatnet | Rogaland, Norway | 1 | 1 | 0 | 1990-06-07 | |
| Tussvatnet | Nordland, Norway | 1 | 1 | 0 | 1990-06-07 |