Genus: Tangsnegl (Rissoa)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2016 | 1 | 1 | 1 | 1 |
| 2004 | 1 | 1 | 1 | 1 |
| 1997 | 1 | 1 | 1 | 5 |
| Totalt alle år | 1 | 3 | 3 | 7 |
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2016 | 1 | 1 | 1 | 1 |
| 2004 | 1 | 1 | 1 | 1 |
| 1997 | 1 | 1 | 1 | 5 |
| Totalt alle år | 1 | 3 | 3 | 7 |
