Species: O-skjell (Modiolus modiolus)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Veierland | Vestfold, Norway | 1 | 1 | 0 | 1995-09-27 | |
| Verdens ende | Vestfold, Norway | 36 | 1 | 0 | 1997-10-09 | |
| Vergøy | Vestfold, Norway | 14 | 1 | 0 | 1996-09-10 | |
| Vesterhavna | Agder, Norway | 13 | 1 | 0 | 2010-11-10 | |
| Vesterøy | Vestfold, Norway | 11 | 1 | 0 | 1997-05-26 | |
| Vesterøya | Vestfold, Norway | 14 | 1 | 0 | 1996-09-26 | |
| Vesterøya | Vestfold, Norway | 25 | 1 | 0 | 2000-05-30 | |
| Vestfjord | Vestfold, Norway | 15 | 1 | 0 | 1995-10-01 | |
| Vestre | Møre og Romsdal, Norway | 1 | 1 | 0 | 1996-09-20 | |
| Vestrevika, Bildøyna | Vestland, Norway | 2 | 1 | 0 | 2018-09-03 | |
| Vevang | Møre og Romsdal, Norway | 6 | 1 | 0 | 1995-08-31 | |
| Vigra | Møre og Romsdal, Norway | 6 | 1 | 0 | 1995-10-17 | |
| Vikestad | Nordland, Norway | 2 | 1 | 0 | 1997-10-29 | |
| Vikøyri | Vestland, Norway | 1 | 1 | 0 | 1993-12-14 | |
| Viste | Rogaland, Norway | 17 | 1 | 0 | 1996-10-02 | |
| Viste | Rogaland, Norway | 2 | 1 | 0 | 1994-12-05 | |
| Vågehamn | Nordland, Norway | 13 | 1 | 0 | 1995-10-12 | |
| York | Vestfold, Norway | 10 | 1 | 0 | 1994-11-10 | |
| Ytre Flosterøy | Agder, Norway | 2 | 1 | 0 | 1996-09-05 | |
| Ytre Ulvøya | Agder, Norway | 3 | 1 | 0 | 1994-12-09 | |
| Ytterøy | Trøndelag, Norway | 21 | 1 | 0 | 1997-09-23 | |
| Ølbergholmen | Vestfold, Norway | 32 | 1 | 0 | 1998-09-24 | |
| Ørskogvika | Møre og Romsdal, Norway | 13 | 1 | 0 | 1998-09-30 | |
| Østerøya | Vestfold, Norway | 1 | 1 | 0 | 1994-11-10 | |
| Østre Halsen | Vestfold, Norway | 27 | 1 | 0 | 1996-10-16 | |
| Østre Kvaknes-Staubø | Agder, Norway | 6 | 1 | 0 | 1994-11-04 | |
| Øyane-Skeie | Rogaland, Norway | 1 | 1 | 0 | 1998-06-09 | |
| Åfarnes | Møre og Romsdal, Norway | 18 | 1 | 0 | 1995-09-27 | |
| Åfjord | Trøndelag, Norway | 3 | 1 | 0 | 1995-09-14 | |
| Åheim | Møre og Romsdal, Norway | 5 | 1 | 0 | 1995-10-18 | |
| Åkrehamn | Rogaland, Norway | 4 | 1 | 0 | 1994-11-25 | |
| Åros | Akershus, Norway | 3 | 1 | 0 | 1996-10-23 | |
| Årøykilen til Askelundkilen | Vestfold, Norway | 9 | 1 | 0 | 1995-09-28 | |
| Åsgårdstrand | Vestfold, Norway | 25 | 1 | 0 | 2007-06-07 | |
| Åstveit | Vestland, Norway | 12 | 1 | 0 | 1995-09-20 |
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