Mytilidae
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Søvik | Møre og Romsdal, Norway | 20 | 2 | 0 | 1995-09-18 | |
| Talgje | Rogaland, Norway | 8 | 1 | 0 | 2000-06-05 | |
| Tananger | Rogaland, Norway | 11 | 1 | 0 | 1996-09-12 | |
| Tangen | Vestfold, Norway | 68 | 2 | 0 | 1995-09-22 | |
| Tau | Rogaland, Norway | 2 | 1 | 0 | 1993-11-11 | |
| Teie | Vestfold, Norway | 16 | 2 | 0 | 1993-09-28 | |
| Tennfjord-fjøra | Møre og Romsdal, Norway | 63 | 2 | 0 | 1995-09-18 | |
| Tenvik | Vestfold, Norway | 152 | 2 | 0 | 1998-09-21 | |
| Tingvollvågen | Møre og Romsdal, Norway | 20 | 2 | 0 | 1994-09-14 | |
| Tiriholmen | Nordland, Norway | 46 | 2 | 0 | 1996-10-01 | |
| Tofte | Akershus, Norway | 58 | 2 | 0 | 2020-09-04 | |
| Tofterøy | Vestland, Norway | 30 | 2 | 0 | 1996-11-01 | |
| Torvanger/Hauge | Vestland, Norway | 21 | 2 | 0 | 1994-10-20 | |
| Torvastad | Rogaland, Norway | 22 | 2 | 0 | 1995-09-21 | |
| Torvastad (Blokknr 39) | Rogaland, Norway | 60 | 2 | 0 | 1997-10-16 | |
| Torød | Vestfold, Norway | 76 | 2 | 0 | 1999-09-29 | |
| Torød | Vestfold, Norway | 76 | 2 | 0 | 1999-09-29 | |
| Treidene | Vestfold, Norway | 93 | 2 | 0 | 1997-10-28 | |
| Trolldalen | Telemark, Norway | 4 | 2 | 0 | 1993-09-17 | |
| Tromøy | Agder, Norway | 41 | 2 | 0 | 1997-10-14 | |
| Tungeneset | Rogaland, Norway | 80 | 2 | 0 | 1997-10-14 | |
| Tybakken/Sofienlund | Agder, Norway | 44 | 2 | 0 | 2002-09-19 | |
| Tønsberg | Vestfold, Norway | 10 | 2 | 0 | 1999-09-30 | |
| Ulstein | Møre og Romsdal, Norway | 20 | 2 | 0 | 1995-10-13 | |
| Ulsteinvik | Møre og Romsdal, Norway | 48 | 2 | 0 | 1994-11-04 | |
| Ulsteinvik | Møre og Romsdal, Norway | 29 | 2 | 0 | 1995-10-17 | |
| Uten navn | Finnmark, Norway | 5 | 2 | 0 | 1993-10-08 | |
| Uten navn | Agder, Norway | 17 | 2 | 0 | 1993-10-11 | |
| Uten navn | Vestfold, Norway | 118 | 2 | 0 | 1999-05-04 | |
| Uten navn | Vestfold, Norway | 7 | 2 | 0 | 1995-09-20 | |
| Uten navn | Rogaland, Norway | 6 | 2 | 0 | 1993-10-11 | |
| Uten navn | Nordland, Norway | 21 | 2 | 0 | 1993-11-15 | |
| V. Måsane | Akershus, Norway | 10 | 1 | 0 | 1996-10-08 | |
| Valderøy | Møre og Romsdal, Norway | 71 | 2 | 0 | 1996-10-17 | |
| Valderøy | Møre og Romsdal, Norway | 54 | 2 | 0 | 1995-09-15 | |
| Valen | Vestland, Norway | 10 | 1 | 7 | 2015-08-31 | |
| Vallersund | Trøndelag, Norway | 7 | 1 | 0 | 1993-10-07 | |
| Vallø,Husvik | Vestfold, Norway | 140 | 2 | 0 | 2000-11-07 | |
| Valun,Sandvoll | Vestland, Norway | 5 | 2 | 0 | 1994-06-27 | |
| Vangsvik | Troms, Norway | 13 | 2 | 0 | 1993-09-01 | |
| Vannareid | Troms, Norway | 3 | 2 | 0 | 1993-11-16 | |
| Vannøya | Vestfold, Norway | 154 | 2 | 0 | 2005-09-28 | |
| Vanvikan | Trøndelag, Norway | 21 | 2 | 0 | 1993-10-08 | |
| Vardanes | Vestland, Norway | 15 | 2 | 0 | 1994-10-20 | |
| Vassøy | Rogaland, Norway | 59 | 2 | 0 | 1995-10-04 | |
| Vedavågen | Rogaland, Norway | 39 | 2 | 0 | 1994-11-25 | |
| Veierland | Vestfold, Norway | 6 | 2 | 0 | 2002-08-22 | |
| Verdens ende | Vestfold, Norway | 110 | 2 | 0 | 1997-10-09 | |
| Vergøy | Vestfold, Norway | 61 | 2 | 0 | 1996-09-10 | |
| Vesterhavna | Agder, Norway | 88 | 2 | 0 | 2010-11-10 |