Subphylum: Krepsdyr (Crustacea)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Solastranda og Ølberg | Rogaland, Norway | 29 | 4 | 0 | 2005-06-10 | |
| Solheimsvannet | Vestland, Norway | 9 | 3 | 0 | 2015-10-12 | |
| Solheimsvannet | Vestland, Norway | 1 | 1 | 0 | 1998-05-08 | |
| Solveig fjæra | Troms, Norway | 5 | 5 | 0 | 2017-09-01 | |
| Solvorn | Vestland, Norway | 2 | 1 | 0 | 1993-11-29 | |
| Sommerfjøs-myra | Møre og Romsdal, Norway | 6 | 6 | 0 | 2013-09-15 | |
| Songebekken | Agder, Norway | 2 | 2 | 0 | 1994-10-15 | |
| Songebukta | Agder, Norway | 44 | 3 | 0 | 1994-12-05 | |
| Sorpetjørn | Rogaland, Norway | 10 | 10 | 0 | 2013-09-24 | |
| Sortland | Nordland, Norway | 95 | 5 | 0 | 1996-10-02 | |
| Spervik | Vestfold, Norway | 99 | 5 | 0 | 1997-10-09 | |
| Spildepollen | Vestland, Norway | 14 | 5 | 0 | 1996-10-18 | |
| Spildervatnet | Nordland, Norway | 7 | 6 | 0 | 1997-09-03 | |
| Spildra | Nordland, Norway | 55 | 6 | 0 | 1998-10-07 | |
| Stamtjernbekken | Trøndelag, Norway | 3 | 2 | 0 | 1999-06-07 | |
| Stangodden | Agder, Norway | 20 | 3 | 0 | 1993-10-17 | |
| Stathelle | Telemark, Norway | 121 | 5 | 0 | 1998-09-23 | |
| Statland | Trøndelag, Norway | 90 | 6 | 0 | 1996-06-19 | |
| Stavern | Vestfold, Norway | 58 | 5 | 0 | 1998-09-23 | |
| Stavern | Vestfold, Norway | 74 | 5 | 0 | 2000-12-13 | |
| Stavern | Vestfold, Norway | 105 | 5 | 0 | 1999-09-29 | |
| Stavsjø | Innlandet, Norway | 45 | 14 | 0 | 1991-10-17 | |
| Steika | Vestfold, Norway | 134 | 5 | 0 | 1997-09-16 | |
| Steinfjord, kai | Troms, Norway | 1 | 1 | 1 | 2011-09-28 | |
| Steingardsvikane | Vestland, Norway | 2 | 1 | 2 | 2016-09-02 | |
| Steinsvikstranda | Møre og Romsdal, Norway | 51 | 5 | 0 | 1996-09-25 | |
| Stengelvåg | Nordland, Norway | 53 | 5 | 0 | 1995-06-08 | |
| Stidam-Vest | Trøndelag, Norway | 1 | 1 | 0 | 2014-09-04 | |
| Stignavatnet | Vestland, Norway | 3 | 3 | 0 | 2002-04-16 | |
| Stikla | Østfold, Norway | 4 | 4 | 0 | 1994-06-08 | |
| Stikletjern | Østfold, Norway | 14 | 9 | 0 | 1996-08-19 | |
| Stokkastrand | Rogaland, Norway | 13 | 5 | 0 | 1995-10-03 | |
| Stokkavatnet | Rogaland, Norway | 2 | 2 | 0 | 2001-05-07 | |
| Stokkdalstjønna | Trøndelag, Norway | 1 | 1 | 0 | 2015-06-08 | |
| Stokkedammen | Trøndelag, Norway | 13 | 12 | 0 | 2013-09-12 | |
| Stokmarknes, Vesterålen | Nordland, Norway | 11 | 5 | 4 | 2014-10-23 | |
| Storavatnet | Vestland, Norway | 33 | 15 | 0 | 1993-09-02 | |
| Stord | Vestland, Norway | 18 | 3 | 0 | 1993-08-31 | |
| Stordammen | Akershus, Norway | 10 | 7 | 0 | 1989-09-08 | |
| Store Bjørnevatnet | Agder, Norway | 5 | 5 | 0 | 1989-08-30 | |
| Store Lungegårdsvann | Vestland, Norway | 3 | 2 | 2 | 2016-04-22 | |
| Store lungårdsvann | Vestland, Norway | 1 | 1 | 0 | 2012-09-13 | |
| Store Nesttunvann | Vestland, Norway | 18 | 10 | 1 | 2013-04-23 | |
| Storebø | Vestland, Norway | 24 | 4 | 0 | 1993-10-20 | |
| Storeidvatnet | Nordland, Norway | 3 | 3 | 0 | 1998-09-07 | |
| Storelva skole | Troms, Norway | 8 | 8 | 0 | 2013-09-06 | |
| Storetjørna | Vestland, Norway | 1 | 1 | 0 | 1998-05-20 | |
| Storleiret | Trøndelag, Norway | 6 | 3 | 0 | 1995-06-12 | |
| Stornes | Troms, Norway | 2 | 2 | 0 | 2000-09-07 | |
| Storsteinen, Jurdalen, Napp | Nordland, Norway | 1 | 1 | 0 | 2013-09-27 |
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