Localities: Hammervatnet: 17.06.1996
| Reporter: | Levanger videregående skole |
| Site: | Hammervatnet () |
| Date: | 1996-06-17 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Gyraulus acronicus |
| Number: | 17 |
| Species: | Bathyomphalus contortus |
| Number: | 4 |
| Species: | Lymnaea peregra |
| Number: | 2 |
| Species: | Callicorixa praeusta |
| Number: | 1 |
| Species: | Sigara dorsalis |
| Number: | 6 |
| Species: | distincta |
| Number: | 3 |