| Damsnegl (Lymnaeidae indet.) | | 2002-05-23 | 2002-05-23 | Langvannet (Akershus, Norway) |
| Remskivesnegl (Bathyomphalus contortus) | | 2002-05-23 | 2002-05-23 | Langvannet (Akershus, Norway) |
| Kulemusling (Sphaerium sp.) | | 2002-05-23 | 2002-05-23 | Langvannet (Akershus, Norway) |
| Ryggsvømmere (Notonectidae indet.) | | 2002-05-23 | 2002-05-23 | Langvannet (Akershus, Norway) |
| Vårfluelarver m/ hus (Trichoptera Samlegruppe) | | 2002-05-23 | 2002-05-23 | Langvannet (Akershus, Norway) |
| Fåbørstemark (Oligochaeta indet.) | | 2002-05-23 | 2002-05-23 | Langvannet (Akershus, Norway) |
| Døgnfluer (Ephemeroptera indet.) | | 2002-05-23 | 2002-05-23 | Langvannet (Akershus, Norway) |
| Libeller (Anisoptera indet.) | | 2002-05-23 | 2002-05-23 | Langvannet (Akershus, Norway) |
| Gråsugge (Asellus aquaticus) | | 2002-05-23 | 2002-05-23 | Langvannet (Akershus, Norway) |
| Vannløpere (Gerridae indet.) | | 2002-05-23 | 2002-05-23 | Langvannet (Akershus, Norway) |
| Vannkalver (Dytiscidae indet.) | | 2002-05-23 | 2002-05-23 | Langvannet (Akershus, Norway) |
