Klasse: Bladføttinger (Branchiopoda)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Tjøtta | Nordland, Norway | 1 | 1 | 0 | 2013-10-01 | |
| Todalen | Buskerud, Norway | 8 | 8 | 0 | 2013-09-03 | |
| Tornesvatnet | Rogaland, Norway | 6 | 4 | 0 | 1994-09-05 | |
| Torstaddammen | Akershus, Norway | 3 | 3 | 0 | 2013-09-11 | |
| Tovegstjørn, Bolstadhaugen | Vestland, Norway | 1 | 1 | 0 | 2015-11-15 | |
| Tretjønnet | Agder, Norway | 3 | 3 | 0 | 1990-06-26 | |
| Trytetjønnet | Buskerud, Norway | 5 | 5 | 0 | 1989-09-08 | |
| Tussvatnet | Nordland, Norway | 4 | 4 | 0 | 1990-06-07 | |
| Tveitevannet | Vestland, Norway | 7 | 3 | 0 | 2009-09-08 | |
| Tveitevannet | Vestland, Norway | 1 | 1 | 0 | 2008-09-04 | |
| Tømmervatnet | Troms, Norway | 5 | 4 | 0 | 1994-09-16 | |
| Ulfsbakktjønn | Vestfold, Norway | 5 | 4 | 0 | 1996-09-25 | |
| Urevann | Nordland, Norway | 3 | 3 | 0 | 1995-09-15 | |
| Vangsmjøsa | Innlandet, Norway | 8 | 5 | 0 | 2022-09-22 | |
| Vangsmjøsa | Innlandet, Norway | 7 | 4 | 0 | 2021-05-31 | |
| Varavannet | Vestland, Norway | 3 | 3 | 0 | 2013-09-03 | |
| Vassbotnen | Møre og Romsdal, Norway | 6 | 6 | 0 | 2013-09-25 | |
| Ved Svalvann | Nordland, Norway | 1 | 1 | 0 | 2002-07-17 | |
| Ved Svinndal kirke | Østfold, Norway | 5 | 5 | 0 | 2013-09-25 | |
| Vesttjønn | Agder, Norway | 9 | 9 | 0 | 2013-09-03 | |
| Vikerauntjønna | Trøndelag, Norway | 3 | 2 | 0 | 1993-09-17 | |
| Vålåsjøen | Innlandet, Norway | 3 | 3 | 0 | 1989-08-24 | |
| Ærdalsbassenget | Agder, Norway | 6 | 6 | 0 | 2013-09-16 | |
| Øksnevadtjern | Rogaland, Norway | 3 | 3 | 0 | 2013-09-12 | |
| Øksnevadtjørna | Rogaland, Norway | 2 | 2 | 0 | 1993-10-07 | |
| Ørsjøen | Innlandet, Norway | 4 | 4 | 0 | 1994-06-07 | |
| Østeråa | Telemark, Norway | 11 | 11 | 0 | 2013-09-26 | |
| Østre Grimevann | Agder, Norway | 5 | 5 | 0 | 2013-09-24 | |
| Øvre Storfjordvatnet | Nordland, Norway | 2 | 2 | 0 | 1989-09-01 | |
| Øygårdsvannet | Agder, Norway | 1 | 1 | 0 | 2015-06-20 | |
| Øymarksjøen | Østfold, Norway | 6 | 6 | 0 | 1997-05-29 | |
| Ågårdsdam | Troms, Norway | 13 | 13 | 0 | 2013-09-13 | |
| Ålesundsaksla | Møre og Romsdal, Norway | 4 | 4 | 0 | 1999-10-07 | |
| Ålvatnet | Trøndelag, Norway | 1 | 1 | 0 | 2013-08-30 | |
| Åros | Akershus, Norway | 5 | 5 | 0 | 2013-09-19 | |
| Årstadtjødne | Rogaland, Norway | 7 | 4 | 0 | 1996-10-11 | |
| Årungen | Akershus, Norway | 11 | 7 | 0 | 1996-09-16 | |
| Åstveitvannet | Vestland, Norway | 1 | 1 | 0 | 1989-09-07 | |
| Åstveitvannet | Vestland, Norway | 1 | 1 | 0 | 2007-06-06 |
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