Species: Neptunea antiqua
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Ausvika | Nordland, Norway | 1 | 1 | 0 | 2018-05-16 | |
| Bekkevika | Vestfold, Norway | 1 | 1 | 0 | 2014-09-24 | |
| Hestøya | Troms, Norway | 1 | 1 | 0 | 2016-02-17 | |
| Håkonshella | Vestland, Norway | 1 | 1 | 0 | 2016-06-02 |
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