Localities: Drøbak: 15.10.2014
| Reporter: | Oslo katedralskole |
| Observers: | Embla Imset |
| Site: | Drøbak () |
| Date: | 2014-10-15 |
| Registered: | 2014-10-16 |
| Activity: | Livet i fjæra |
Observation
| Species: | Pseudamussium septemradiatum |
| Comment: | på mudderbunn |
| Alive: | No |
| Funnsted: | Under vann |