| Spirosperma ferox | | 1992-06-02 | 1992-06-02 | Laksådalsvatnet (Nordland, Norway) |  |
| Spirosperma ferox | | 1989-09-14 | 1989-09-14 | Laksådalsvatnet (Nordland, Norway) | |
| Spirosperma ferox | | 1989-10-08 | 1989-10-08 | Hammervatnet (Trøndelag, Norway) | |
| Spirosperma ferox | | 1993-06-10 | 1993-06-10 | Spildervatnet (Nordland, Norway) | |
| Spirosperma ferox | | 1992-05-25 | 1992-05-25 | Spildervatnet (Nordland, Norway) | |
| Spirosperma ferox | | 1991-06-05 | 1991-06-05 | Spildervatnet (Nordland, Norway) | |
| Spirosperma ferox | | 1989-09-21 | 1989-09-21 | Spildervatnet (Nordland, Norway) | |
| Spirosperma ferox | | 1991-05-27 | 1991-05-27 | Rossevatn (Rogaland, Norway) | |
| Spirosperma ferox | | 1990-05-31 | 1990-05-31 | Rossevatn (Rogaland, Norway) | |
| Spirosperma ferox | | 1992-09-09 | 1992-09-09 | Kvitblikkvannet (Nordland, Norway) | |
| Spirosperma ferox | | 1989-09-13 | 1989-09-13 | Skjelbreidvatnet (Vestland, Norway) | |