Klasse: Fåbørstemark (Oligochaeta)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Iglevannet | Vestland, Norway | 1 | 1 | 0 | 2009-11-25 | |
| Ingeberg | Innlandet, Norway | 1 | 1 | 0 | 2010-04-28 | |
| Innerstrøksneselva | Nordland, Norway | 1 | 1 | 0 | 1994-06-16 | |
| innmark, | Troms, Norway | 3 | 3 | 0 | 2010-09-22 | |
| Jaren skole | Innlandet, Norway | 4 | 4 | 0 | 2010-09-07 | |
| Jarenvannet | Innlandet, Norway | 1 | 1 | 0 | 1990-06-05 | |
| Jomfrudammen | Telemark, Norway | 1 | 1 | 0 | 2008-09-30 | |
| Jorde utenfor skolen (Jønsrud) | Innlandet, Norway | 4 | 4 | 3 | 2010-09-09 | |
| Jordet skole | Vestfold, Norway | 6 | 4 | 4 | 2010-09-22 | |
| Jønsrudfeltet | Innlandet, Norway | 2 | 2 | 1 | 2010-09-15 | |
| Jørstadåna | Rogaland, Norway | 2 | 1 | 0 | 1996-05-03 | |
| Jåbekkvannet | Agder, Norway | 1 | 1 | 0 | 1991-06-11 | |
| Kaiskuru | Finnmark, Norway | 7 | 5 | 4 | 2010-09-13 | |
| Kaldbekken | Innlandet, Norway | 1 | 1 | 0 | 1993-10-11 | |
| Kampåa | Akershus, Norway | 6 | 1 | 0 | 1998-06-17 | |
| Kapp , Østre Toten | Innlandet, Norway | 4 | 4 | 6 | 2010-09-19 | |
| Karusstjønn | Agder, Norway | 1 | 1 | 0 | 2013-08-21 | |
| Kaupangerelva | Vestland, Norway | 1 | 1 | 0 | 2000-09-27 | |
| Kirkeby skole | Akershus, Norway | 3 | 1 | 0 | 2019-05-02 | |
| Kjeldevatnet | Vestland, Norway | 2 | 1 | 0 | 2019-06-19 | |
| kjellsrudbekken | Innlandet, Norway | 1 | 1 | 0 | 2004-10-15 | |
| Kjemsjøen | Innlandet, Norway | 6 | 1 | 0 | 1993-06-08 | |
| Kjølnes | Telemark, Norway | 97 | 14 | 51 | 2010-09-30 | |
| Kjønndalsbekken | Vestfold, Norway | 19 | 1 | 0 | 1998-09-22 | |
| Klasatjønn | Vestland, Norway | 1 | 1 | 0 | 2013-09-04 | |
| Knappskog | Vestland, Norway | 5 | 5 | 4 | 2010-09-27 | |
| Knappskog skule | Vestland, Norway | 1 | 1 | 0 | 2007-10-10 | |
| Knurrvatnet | Nordland, Norway | 1 | 1 | 0 | 1989-08-30 | |
| Kolbjørnviksjøen | Østfold, Norway | 4 | 4 | 0 | 1991-09-05 | |
| Kolstadbekken | Østfold, Norway | 4 | 1 | 0 | 1996-04-30 | |
| Koltjønna | Trøndelag, Norway | 1 | 1 | 0 | 1991-05-28 | |
| Korsfjord | Finnmark, Norway | 8 | 4 | 6 | 2010-09-30 | |
| Korssjøen | Vestfold, Norway | 1 | 1 | 0 | 1992-09-08 | |
| Kringelmyrelva | Nordland, Norway | 1 | 1 | 0 | 1994-10-18 | |
| Krossleitet | Vestland, Norway | 3 | 3 | 2 | 2010-09-26 | |
| Kruktjønna | Trøndelag, Norway | 1 | 1 | 0 | 1991-08-28 | |
| Krussætertjern | Østfold, Norway | 4 | 2 | 0 | 2000-04-12 | |
| Krystallvn, Nærsnes | Akershus, Norway | 4 | 4 | 0 | 2005-10-14 | |
| Kråkstad | Akershus, Norway | 8 | 5 | 7 | 2010-09-20 | |
| Kulåsparken | Østfold, Norway | 57 | 8 | 20 | 2010-09-27 | |
| Kvednabekken | Vestland, Norway | 1 | 1 | 0 | 1996-05-02 | |
| Kvernabekken | Vestland, Norway | 1 | 1 | 0 | 1995-03-16 | |
| Kverndammen | Telemark, Norway | 2 | 2 | 0 | 1989-09-26 | |
| Kvitblikkvannet | Nordland, Norway | 2 | 2 | 0 | 1993-06-03 | |
| Kvitsandaområdet | Trøndelag, Norway | 6 | 3 | 0 | 2010-09-17 | |
| Kvæstad - kompost | Innlandet, Norway | 2 | 2 | 1 | 2010-09-11 | |
| Kyst | Nordland, Norway | 1 | 1 | 0 | 2013-09-27 | |
| Kålhagen | Vestland, Norway | 3 | 3 | 2 | 2018-10-19 | |
| Laksådalsvatnet | Nordland, Norway | 3 | 2 | 0 | 1992-06-02 | |
| Landvikbekken | Agder, Norway | 2 | 1 | 0 | 1994-05-20 |
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