Littorina sp.
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Ilene | Vestfold, Norway | 12 | 1 | 0 | 1997-09-18 | |
| Indre Lafjord | Agder, Norway | 14 | 1 | 0 | 1995-09-27 | |
| Inndyr | Nordland, Norway | 20 | 1 | 0 | 1998-09-28 | |
| Innlandet | Møre og Romsdal, Norway | 2 | 1 | 0 | 1997-10-15 | |
| Innsmøla | Møre og Romsdal, Norway | 25 | 1 | 0 | 1996-09-19 | |
| Innvik | Vestland, Norway | 11 | 1 | 0 | 1996-10-03 | |
| Jansvik | Nordland, Norway | 1 | 1 | 0 | 1995-10-26 | |
| Jerkholmen | Agder, Norway | 13 | 1 | 0 | 1996-09-19 | |
| Jomfruland | Telemark, Norway | 2 | 1 | 0 | 1995-09-07 | |
| Jomfruland | Telemark, Norway | 2 | 1 | 2 | 2013-05-08 | |
| Justøya | Agder, Norway | 6 | 1 | 0 | 1996-10-11 | |
| Jørstadneset | Rogaland, Norway | 3 | 1 | 0 | 1996-05-29 | |
| Kaldvellfjorden | Agder, Norway | 29 | 1 | 0 | 1998-09-24 | |
| Karlsvikodden | Vestfold, Norway | 14 | 1 | 0 | 2006-05-05 | |
| Klippfiskberget | Troms, Norway | 1 | 1 | 0 | 2013-05-23 | |
| Klåmbra-Ryggen | Møre og Romsdal, Norway | 2 | 1 | 0 | 1996-09-18 | |
| Knappskog | Vestland, Norway | 1 | 1 | 0 | 2009-05-11 | |
| Kolbeinsrød | Vestfold, Norway | 18 | 1 | 0 | 1997-09-09 | |
| Kollevåg | Vestland, Norway | 7 | 1 | 0 | 1996-10-02 | |
| Kolvereid | Trøndelag, Norway | 7 | 1 | 0 | 1998-10-12 | |
| Kongsgårdbukta | Agder, Norway | 8 | 1 | 0 | 1995-10-16 | |
| Kopervik | Rogaland, Norway | 2 | 1 | 0 | 1996-10-16 | |
| Kringlevågen | Vestland, Norway | 7 | 1 | 0 | 1998-08-31 | |
| Kuvågen | Vestland, Norway | 11 | 1 | 0 | 1995-10-17 | |
| Kvamsøy | Møre og Romsdal, Norway | 7 | 1 | 0 | 1995-09-18 | |
| Kyrkjebø | Vestland, Norway | 22 | 1 | 0 | 1998-09-29 | |
| Kyrksæterøra | Trøndelag, Norway | 16 | 1 | 0 | 1995-06-07 | |
| Lande | Agder, Norway | 14 | 1 | 0 | 1995-09-21 | |
| Langangen | Telemark, Norway | 17 | 1 | 0 | 1997-09-10 | |
| Langøy | Vestfold, Norway | 26 | 1 | 0 | 1998-09-22 | |
| Langøya | Vestfold, Norway | 6 | 1 | 0 | 1997-10-15 | |
| Larkollen | Østfold, Norway | 6 | 1 | 0 | 1995-10-13 | |
| Levangsheia | Telemark, Norway | 5 | 1 | 0 | 1995-10-06 | |
| Liland | Nordland, Norway | 45 | 1 | 0 | 2003-09-30 | |
| Lødingen | Nordland, Norway | 12 | 1 | 0 | 1998-09-29 | |
| Løvøya | Vestfold, Norway | 13 | 1 | 0 | 1998-09-17 | |
| Magerøya | Trøndelag, Norway | 5 | 1 | 0 | 1996-10-15 | |
| Melsomvik | Vestfold, Norway | 45 | 1 | 0 | 1998-10-06 | |
| Meløy | Nordland, Norway | 4 | 1 | 0 | 1995-09-14 | |
| Midsund | Møre og Romsdal, Norway | 19 | 1 | 0 | 1996-09-20 | |
| Munkerekka | Vestfold, Norway | 28 | 1 | 0 | 1997-10-15 | |
| Møllebukta, Hafrsfjord | Rogaland, Norway | 19 | 1 | 0 | 1996-10-08 | |
| Måndalen | Møre og Romsdal, Norway | 10 | 1 | 0 | 1996-10-23 | |
| Narvik | Nordland, Norway | 131 | 1 | 0 | 1998-11-24 | |
| Nattholmen | Vestfold, Norway | 51 | 1 | 0 | 1998-09-17 | |
| Nesna | Nordland, Norway | 2 | 1 | 0 | 1997-09-24 | |
| Nordbø | Rogaland, Norway | 12 | 1 | 0 | 1997-10-13 | |
| Nordnesøy | Nordland, Norway | 24 | 1 | 0 | 1998-09-15 | |
| Nordre Eigerøy | Rogaland, Norway | 6 | 1 | 0 | 1998-06-08 | |
| Nærbø | Rogaland, Norway | 34 | 1 | 0 | 1998-10-02 |