Species: Silver Coast Conch (Aethes margaritana)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Bekkum, Kvikneskogen | Innlandet, Norway | 2 | 1 | 2 | 2010-07-10 | |
| Bøleveien 18 | Vestfold, Norway | 1 | 1 | 1 | 2011-07-04 | |
| Bårdsatvegen | Innlandet, Norway | 1 | 1 | 0 | 2024-07-16 | |
| Drangedal | Telemark, Norway | 1 | 1 | 1 | 2011-06-27 | |
| Grindvoll i Lunner | Akershus, Norway | 1 | 1 | 1 | 2011-07-03 | |
| Hasselgården, Jomfruland | Telemark, Norway | 4 | 1 | 0 | 2014-07-09 | |
| Lindås | Østfold, Norway | 1 | 1 | 1 | 2009-06-15 | |
| Mølen | Vestfold, Norway | 2 | 1 | 2 | 2016-06-18 | |
| Otteid (Storedal) | Østfold, Norway | 1 | 1 | 1 | 2016-07-15 | |
| Revtangen Ornitologiske Stasjon | Rogaland, Norway | 1 | 1 | 1 | 2014-07-13 | |
| Spornes, Tromøy | Agder, Norway | 2 | 1 | 1 | 2017-07-20 | |
| Vinstra | Innlandet, Norway | 1 | 1 | 0 | 2009-06-17 | |
| Øytangen, Jomfruland | Telemark, Norway | 1 | 1 | 0 | 2014-07-18 |