Species: European black slug (Arion ater)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Skomakerdiket | Vestland, Norway | 1 | 1 | 1 | 2012-09-12 | |
| Skranevatnet | Vestland, Norway | 2 | 1 | 2 | 2014-05-22 | |
| Smøla | Møre og Romsdal, Norway | 1 | 1 | 0 | 2007-04-23 | |
| Solmyrås-området | Telemark, Norway | 1 | 1 | 0 | 2017-06-07 | |
| Stordal | Møre og Romsdal, Norway | 1 | 1 | 0 | 2007-04-17 | |
| Store Nesttunvann | Vestland, Norway | 1 | 1 | 0 | 2012-09-25 | |
| Sørborg | Vestland, Norway | 6 | 1 | 0 | 2014-05-08 | |
| Ura | Møre og Romsdal, Norway | 1 | 1 | 1 | 2012-08-21 | |
| Utsira | Rogaland, Norway | 1 | 1 | 0 | 2012-05-18 | |
| Vaksvik | Møre og Romsdal, Norway | 6 | 1 | 0 | 2023-05-21 | |
| Varaldsøy | Vestland, Norway | 1 | 1 | 1 | 2003-06-25 | |
| Vassmoen, Lauvøya | Trøndelag, Norway | 3 | 1 | 0 | 2023-05-28 | |
| Vatne | Rogaland, Norway | 1 | 1 | 0 | 2012-06-10 | |
| Ved foten av Litjsten | Trøndelag, Norway | 2 | 1 | 6 | 2012-05-23 | |
| Viksøy | Vestland, Norway | 1 | 1 | 0 | 2021-04-04 | |
| Væretrøa | Trøndelag, Norway | 1 | 1 | 3 | 2021-05-11 | |
| Årebrot | Rogaland, Norway | 1 | 1 | 0 | 2019-04-08 | |
| Åsen | Telemark, Norway | 2 | 1 | 3 | 2012-06-10 | |
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