Genus: Skilpaddesnegl (Tectura)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Skogerøya | Agder, Norway | 8 | 2 | 0 | 1996-09-19 | |
| Skoklefald | Akershus, Norway | 3 | 1 | 0 | 1993-10-13 | |
| Skottevig | Agder, Norway | 3 | 2 | 0 | 1995-10-09 | |
| Skånevik | Vestland, Norway | 26 | 2 | 0 | 1996-10-04 | |
| Skåraneset | Rogaland, Norway | 8 | 2 | 0 | 1995-10-02 | |
| Slagen | Vestfold, Norway | 11 | 2 | 0 | 1997-09-25 | |
| Slemmestad | Akershus, Norway | 2 | 1 | 0 | 1996-09-16 | |
| Sola | Rogaland, Norway | 1 | 1 | 0 | 1995-09-08 | |
| Sola | Rogaland, Norway | 1 | 1 | 0 | 1993-09-27 | |
| Solastranda og Ølberg | Rogaland, Norway | 9 | 1 | 0 | 2004-06-11 | |
| Songebukta | Agder, Norway | 2 | 1 | 0 | 1993-10-29 | |
| Sortland | Nordland, Norway | 12 | 2 | 0 | 1996-10-02 | |
| Spervik | Vestfold, Norway | 4 | 2 | 0 | 1997-10-09 | |
| Spildra | Nordland, Norway | 12 | 1 | 0 | 1998-10-07 | |
| Stathelle | Telemark, Norway | 9 | 2 | 0 | 1998-09-23 | |
| Statland | Trøndelag, Norway | 8 | 2 | 0 | 1996-06-19 | |
| Stavern | Vestfold, Norway | 4 | 2 | 0 | 1998-09-23 | |
| Stavern | Vestfold, Norway | 9 | 2 | 0 | 1997-09-22 | |
| Stavern | Vestfold, Norway | 13 | 2 | 0 | 1998-10-06 | |
| Steika | Vestfold, Norway | 9 | 2 | 0 | 1996-09-26 | |
| Steinsvikstranda | Møre og Romsdal, Norway | 1 | 1 | 0 | 1996-09-25 | |
| Stengelvåg | Nordland, Norway | 4 | 2 | 0 | 1995-06-08 | |
| Stord | Vestland, Norway | 5 | 1 | 0 | 1993-08-31 | |
| Storebø | Vestland, Norway | 3 | 1 | 0 | 1993-10-20 | |
| Strand | Nordland, Norway | 21 | 2 | 0 | 1996-09-16 | |
| Strandvik/vinnes | Vestland, Norway | 4 | 1 | 0 | 1994-12-01 | |
| Strøno | Vestland, Norway | 11 | 2 | 0 | 1996-09-18 | |
| Støre/Eigerøy | Rogaland, Norway | 13 | 2 | 0 | 2023-09-26 | |
| Støtt | Nordland, Norway | 5 | 1 | 0 | 1994-11-29 | |
| Svelvik | Buskerud, Norway | 10 | 2 | 0 | 1995-10-09 | |
| Syvdefjorden | Møre og Romsdal, Norway | 14 | 2 | 0 | 1997-10-09 | |
| Syvdefjorden | Møre og Romsdal, Norway | 28 | 2 | 0 | 1997-10-09 | |
| Sæbø | Møre og Romsdal, Norway | 3 | 1 | 0 | 1993-10-13 | |
| Sømskilen | Agder, Norway | 1 | 1 | 0 | 1997-10-03 | |
| Søndre Jeløy | Østfold, Norway | 2 | 1 | 0 | 1993-12-07 | |
| Sør Kolnes | Rogaland, Norway | 7 | 2 | 0 | 1995-09-06 | |
| Sør-Høyholm | Nordland, Norway | 4 | 1 | 0 | 1993-09-27 | |
| Sørfinnset | Nordland, Norway | 2 | 1 | 0 | 1993-09-27 | |
| Søvik | Møre og Romsdal, Norway | 6 | 2 | 0 | 1995-09-18 | |
| Tananger | Rogaland, Norway | 3 | 1 | 0 | 1996-09-12 | |
| Teie | Vestfold, Norway | 2 | 1 | 0 | 1993-09-28 | |
| Tennfjord-fjøra | Møre og Romsdal, Norway | 24 | 2 | 0 | 1995-09-18 | |
| Tenvik | Vestfold, Norway | 5 | 2 | 0 | 1997-09-25 | |
| Tiriholmen | Nordland, Norway | 17 | 2 | 0 | 1996-10-01 | |
| Tofte | Akershus, Norway | 12 | 2 | 0 | 1996-09-20 | |
| Tofterøy | Vestland, Norway | 10 | 2 | 0 | 1996-11-01 | |
| Torvanger/Hauge | Vestland, Norway | 8 | 1 | 0 | 1994-10-20 | |
| Torvastad | Rogaland, Norway | 5 | 1 | 0 | 1995-09-21 | |
| Torvastad (Blokknr 39) | Rogaland, Norway | 4 | 2 | 0 | 1997-10-16 | |
| Torød | Vestfold, Norway | 10 | 1 | 0 | 1998-09-18 | |
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