Archeogastropoda
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Stavern | Vestfold, Norway | 27 | 4 | 0 | 2000-12-13 | |
| Stavern | Vestfold, Norway | 15 | 4 | 0 | 1997-09-22 | |
| Steika | Vestfold, Norway | 15 | 3 | 0 | 1996-09-26 | |
| Steinsvikstranda | Møre og Romsdal, Norway | 18 | 3 | 0 | 1996-09-25 | |
| Stengelvåg | Nordland, Norway | 15 | 4 | 0 | 1995-06-08 | |
| Stokkastrand | Rogaland, Norway | 8 | 2 | 0 | 1995-10-03 | |
| Stokmarknes, Vesterålen | Nordland, Norway | 5 | 1 | 2 | 2014-10-23 | |
| Stord | Vestland, Norway | 12 | 2 | 0 | 1993-08-31 | |
| Storebø | Vestland, Norway | 14 | 2 | 0 | 1993-10-20 | |
| Storleiret | Trøndelag, Norway | 2 | 1 | 0 | 1995-06-12 | |
| Strand | Nordland, Norway | 80 | 4 | 0 | 1996-09-16 | |
| Strand | Vestfold, Norway | 3 | 1 | 0 | 1993-10-21 | |
| Stranda | Møre og Romsdal, Norway | 5 | 1 | 0 | 1993-10-08 | |
| Strandstøa | Rogaland, Norway | 2 | 1 | 0 | 1993-11-22 | |
| Strandvik/vinnes | Vestland, Norway | 36 | 3 | 0 | 1996-10-03 | |
| Strøno | Vestland, Norway | 41 | 4 | 0 | 1996-09-18 | |
| Støre/Eigerøy | Rogaland, Norway | 191 | 4 | 0 | 2023-09-26 | |
| Støtt | Nordland, Norway | 16 | 3 | 0 | 1996-09-20 | |
| Sula | Trøndelag, Norway | 7 | 2 | 0 | 1997-10-12 | |
| Sundsleira | Vestland, Norway | 1 | 1 | 0 | 2021-06-08 | |
| Sundøy | Nordland, Norway | 2 | 1 | 0 | 1993-10-26 | |
| Sveggøya | Møre og Romsdal, Norway | 34 | 2 | 0 | 1997-10-07 | |
| Svelvik | Buskerud, Norway | 14 | 3 | 0 | 1995-10-09 | |
| Syvdefjorden | Møre og Romsdal, Norway | 63 | 4 | 0 | 1997-10-09 | |
| Syvdefjorden | Møre og Romsdal, Norway | 112 | 4 | 0 | 1997-10-09 | |
| Sæbø | Møre og Romsdal, Norway | 14 | 3 | 0 | 2004-10-22 | |
| Sømskilen | Agder, Norway | 7 | 3 | 0 | 1997-10-03 | |
| Søndre Jeløy | Østfold, Norway | 5 | 2 | 0 | 1993-12-07 | |
| Sør Kolnes | Rogaland, Norway | 19 | 4 | 0 | 1995-09-06 | |
| Sør-Høyholm | Nordland, Norway | 8 | 2 | 0 | 1993-09-27 | |
| Sør-Tverrfjord | Finnmark, Norway | 4 | 1 | 0 | 1994-11-04 | |
| Sørfinnset | Nordland, Norway | 5 | 2 | 0 | 1993-09-27 | |
| Søvik | Møre og Romsdal, Norway | 28 | 4 | 0 | 1995-09-18 | |
| Talgje | Rogaland, Norway | 8 | 2 | 0 | 2000-06-05 | |
| Tananger | Rogaland, Norway | 18 | 3 | 0 | 1996-09-12 | |
| Tangen | Vestfold, Norway | 1 | 1 | 0 | 1995-09-22 | |
| Tau | Rogaland, Norway | 2 | 1 | 0 | 1993-11-11 | |
| Teie | Vestfold, Norway | 2 | 1 | 0 | 1993-09-28 | |
| Tennfjord-fjøra | Møre og Romsdal, Norway | 65 | 4 | 0 | 1995-09-18 | |
| Tenvik | Vestfold, Norway | 13 | 4 | 0 | 1998-09-21 | |
| Tingvollvågen | Møre og Romsdal, Norway | 4 | 1 | 0 | 1994-09-14 | |
| Tiriholmen | Nordland, Norway | 47 | 4 | 0 | 1996-10-01 | |
| Tofte | Akershus, Norway | 14 | 3 | 0 | 1996-09-20 | |
| Tofterøy | Vestland, Norway | 37 | 4 | 0 | 1996-11-01 | |
| Torvanger/Hauge | Vestland, Norway | 21 | 2 | 0 | 1994-10-20 | |
| Torvangerfjæra | Vestland, Norway | 3 | 3 | 0 | 2002-10-08 | |
| Torvastad | Rogaland, Norway | 24 | 3 | 0 | 1995-09-21 | |
| Torvastad (Blokknr 39) | Rogaland, Norway | 42 | 4 | 0 | 1997-10-16 | |
| Torød | Vestfold, Norway | 14 | 2 | 0 | 1998-09-18 | |
| Torød | Vestfold, Norway | 9 | 3 | 0 | 1999-09-29 |