Tetraedron sp.
| Species | Lenke til artsinfo | Reg. date | Obs. date | Location |
|---|---|---|---|---|
| Tetraedron sp. | 1991-05-23 | 1991-05-23 | Svartaholtjørnet (Vestland, Norway) | |
| Tetraedron sp. | 1991-10-14 | 1991-10-14 | Stavsjø (Innlandet, Norway) | |
| Tetraedron sp. | 1991-06-03 | 1991-06-03 | Kolbotnvannet (Akershus, Norway) | |
| Tetraedron sp. | 1991-06-10 | 1991-06-10 | Kjemsjøen (Innlandet, Norway) |