Arenicola marina
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Nedre Gausen skole | Vestfold, Norway | 2 | 1 | 0 | 1994-11-10 |
| Brekke skule | Vestland, Norway | 2 | 1 | 0 | 1993-09-01 |
| Sande skole | Vestfold, Norway | 2 | 1 | 0 | 1995-09-28 |
| Sola ungdomsskole | Rogaland, Norway | 2 | 1 | 0 | 1995-09-08 |
| Eik skole | Vestfold, Norway | 2 | 1 | 0 | 1996-09-26 |
| Val landbruksskole | Trøndelag, Norway | 2 | 1 | 0 | 1995-01-02 |
| Vevelstad Sentralskole | Nordland, Norway | 2 | 1 | 0 | 1994-11-30 |
| Sørfinnset skole | Nordland, Norway | 2 | 1 | 0 | 1993-09-27 |
| Bleiker videregående skole | Akershus, Norway | 2 | 1 | 0 | 1994-01-13 |
| Tofte skole | Akershus, Norway | 2 | 1 | 0 | 1996-10-30 |
| Storebø skule | Vestland, Norway | 2 | 1 | 0 | 1993-10-20 |
| Fagerenget skole | Trøndelag, Norway | 2 | 1 | 0 | 1993-11-19 |
| Samfundets skole Sentrum | Agder, Norway | 2 | 1 | 0 | 2010-11-04 |
| Vikstranda skole | Troms, Norway | 2 | 1 | 0 | 1993-09-01 |
| Vanvikan skole | Trøndelag, Norway | 2 | 1 | 0 | 1993-10-08 |
| Steinkjer ungdomsskole | Trøndelag, Norway | 2 | 1 | 0 | 1995-01-02 |
| Åkrehamn vidaregåande skole | Rogaland, Norway | 2 | 1 | 0 | 1994-11-25 |
| Haramsøy skule | Møre og Romsdal, Norway | 2 | 1 | 0 | 1994-11-04 |
| Feda skole | Agder, Norway | 2 | 1 | 0 | 1997-09-24 |
| Haga skole | Rogaland, Norway | 2 | 1 | 0 | 1993-09-28 |
| Lyngmyr skole | Agder, Norway | 2 | 1 | 0 | 1993-09-10 |
| Hogsnes Oppvekstsenter/Avd skole | Vestfold, Norway | 2 | 1 | 0 | 1993-09-24 |
| Hundvåg skole | Rogaland, Norway | 2 | 1 | 0 | 1994-11-28 |
| Skeie skole | Rogaland, Norway | 2 | 1 | 0 | 1998-06-09 |
| Frosta skole | Trøndelag, Norway | 2 | 1 | 0 | 1995-06-12 |
| Borre ungdomsskole | Vestfold, Norway | 2 | 1 | 0 | 1993-10-12 |
| Pollen skule | Vestland, Norway | 2 | 1 | 0 | 1995-10-13 |
| Geiranger skule | Møre og Romsdal, Norway | 2 | 1 | 0 | 1996-09-18 |
| Langesund barneskole | Telemark, Norway | 2 | 1 | 0 | 1993-09-27 |
| Veierland skole | Vestfold, Norway | 2 | 1 | 0 | 1995-09-27 |
| Sola skole | Rogaland, Norway | 2 | 1 | 0 | 1995-09-06 |
| Rødskog skole | Buskerud, Norway | 2 | 1 | 0 | 1994-11-30 |
| Gausel skole | Rogaland, Norway | 2 | 1 | 0 | 1995-10-31 |
| Bokn skule | Rogaland, Norway | 2 | 1 | 0 | 1998-10-05 |
| Bergan skole | Vestfold, Norway | 2 | 1 | 0 | 1996-09-26 |
| Kongseik ungdomsskole | Vestfold, Norway | 2 | 1 | 0 | 1996-09-25 |
| Jareteigen Montessori skole | Vestfold, Norway | 2 | 1 | 0 | 1994-11-10 |
| Malmheim skule | Rogaland, Norway | 2 | 1 | 0 | 1998-10-01 |
| Gladstad skole | Nordland, Norway | 2 | 1 | 0 | 1995-10-19 |
| Fister skule | Rogaland, Norway | 1 | 1 | 0 | 1994-09-28 |
| Innvik skule | Vestland, Norway | 1 | 1 | 0 | 1993-10-22 |
| Nærøy ungdomsskole | Trøndelag, Norway | 1 | 1 | 0 | 1993-10-13 |
| Myra skole | Agder, Norway | 1 | 1 | 0 | 1993-10-11 |
| Skjetlein videregående skole | Trøndelag, Norway | 1 | 1 | 0 | 2019-06-06 |
| Mosvik skole | Trøndelag, Norway | 1 | 1 | 0 | 1999-05-26 |
| Sandnes skole | Agder, Norway | 1 | 1 | 1 | 2014-05-14 |
| Lillås skole | Vestfold, Norway | 1 | 1 | 0 | 1996-09-24 |
| Vallersund Oppvekstsenter | Trøndelag, Norway | 1 | 1 | 0 | 1993-10-07 |
| Borge skole | Telemark, Norway | 1 | 1 | 0 | 1993-09-17 |
| Skåtøy skole | Telemark, Norway | 1 | 1 | 0 | 1995-01-02 |