Aethes margaritana (Silver Coast Conch)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Frode Falkenberg | Vestland, Norway | 3 | 1 | 0 | 2014-07-09 |
| Svein Sellevold Bekkum | Nordland, Norway | 2 | 1 | 2 | 2010-07-10 |
| Kjell Mjølsnes | Rogaland, Norway | 2 | 1 | 2 | 2016-06-18 |
| Even Mjaaland | Rogaland, Norway | 2 | 1 | 1 | 2017-07-20 |
| Lars Erik Johannessen | Østfold, Norway | 1 | 1 | 1 | 2009-06-15 |
| Øyvind Stickler | Vestfold, Norway | 1 | 1 | 1 | 2011-07-04 |
| Geirr O Pedersen | Akershus, Norway | 1 | 1 | 1 | 2011-07-03 |
| Ivar Stormo | Østfold, Norway | 1 | 1 | 1 | 2016-07-15 |
| Alf Tore Mjøs | Rogaland, Norway | 1 | 1 | 1 | 2014-07-13 |
| Leiv Tommas Haugen | Rogaland, Norway | 1 | 1 | 0 | 2009-06-17 |
| Kjell Tore Vogsland | Telemark, Norway | 1 | 1 | 1 | 2011-06-27 |