Species: Urskjell (Chlamys varia)
| Område | Kommune (fylke) | Ant. obs. | Ant. arter | Ant. bilder | Siste obs. | |
|---|---|---|---|---|---|---|
| Bjellandstrand | Agder, Norway | 1 | 1 | 1 | 2016-06-08 | |
| Drøbak | Akershus, Norway | 1 | 1 | 0 | 2004-05-04 | |
| Drøbak | Akershus, Norway | 2 | 1 | 2 | 2015-10-07 | |
| Eivindvik | Vestland, Norway | 1 | 1 | 1 | 2017-09-27 | |
| Espegrend | Vestland, Norway | 1 | 1 | 0 | 2002-02-18 | |
| Foldnes | Vestland, Norway | 1 | 1 | 0 | 2006-04-21 | |
| Håkonshella | Vestland, Norway | 3 | 1 | 2 | 2017-09-21 | |
| Håkonshellapollen | Vestland, Norway | 1 | 1 | 1 | 2016-06-08 | |
| Knappskog | Vestland, Norway | 1 | 1 | 0 | 2009-05-11 | |
| Marinbiologisk stasjon, Espegrend | Vestland, Norway | 1 | 1 | 0 | 2016-10-20 | |
| Pollen | Vestland, Norway | 1 | 1 | 0 | 2019-06-12 | |
| Valen | Vestland, Norway | 1 | 1 | 1 | 2014-06-05 |