Family: Valvatidae
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2012 | 1 | 1 | 1 | 1 |
| 1993 | 1 | 1 | 2 | 2 |
| 1992 | 2 | 2 | 2 | 4 |
| 1990 | 1 | 3 | 3 | 3 |
| 1989 | 1 | 2 | 2 | 2 |
| Totalt alle år | 2 | 8 | 9 | 12 |
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2012 | 1 | 1 | 1 | 1 |
| 1993 | 1 | 1 | 2 | 2 |
| 1992 | 2 | 2 | 2 | 4 |
| 1990 | 1 | 3 | 3 | 3 |
| 1989 | 1 | 2 | 2 | 2 |
| Totalt alle år | 2 | 8 | 9 | 12 |