Diaptomidae
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Ulfsbakktjønn | Vestfold, Norway | 1 | 1 | 0 | 1996-09-25 | |
| Vikerauntjønna | Trøndelag, Norway | 2 | 1 | 0 | 1993-09-17 | |
| Ørsjøen | Innlandet, Norway | 1 | 1 | 0 | 1994-06-07 | |
| Øvre Storfjordvatnet | Nordland, Norway | 1 | 1 | 0 | 1989-09-01 | |
| Øymarksjøen | Østfold, Norway | 1 | 1 | 0 | 1997-05-29 | |
| Ålesundsaksla | Møre og Romsdal, Norway | 2 | 1 | 0 | 1999-09-28 | |
| Ålvatnet | Trøndelag, Norway | 1 | 1 | 0 | 1984-04-29 | |
| Åros | Akershus, Norway | 1 | 1 | 0 | 2013-09-19 | |
| Årstadtjødne | Rogaland, Norway | 6 | 1 | 0 | 1996-10-11 | |
| Årungen | Akershus, Norway | 5 | 1 | 0 | 1997-09-12 | |
| Åstveitvannet | Vestland, Norway | 1 | 1 | 0 | 1989-09-07 |