Bivalvia (Bivalve mollusc)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Færder videregående skole | Vestfold, Norway | 490 | 6 | 0 | 1999-10-22 |
| Sandgotna skole | Vestland, Norway | 411 | 17 | 101 | 2020-06-12 |
| Varden ungdomsskole | Vestfold, Norway | 391 | 6 | 0 | 2000-05-30 |
| Tromøy ungdomsskole | Agder, Norway | 353 | 6 | 0 | 2005-09-22 |
| Tingsaker skole | Agder, Norway | 350 | 6 | 0 | 2001-10-08 |
| Jordet skole | Vestfold, Norway | 348 | 7 | 0 | 2008-09-11 |
| Brunla ungdomsskole | Vestfold, Norway | 335 | 7 | 0 | 1999-09-29 |
| Mesterfjellet ungdomsskole | Vestfold, Norway | 315 | 6 | 0 | 1998-09-24 |
| Erdal ungdomsskole | Vestland, Norway | 307 | 6 | 0 | 1995-10-13 |
| Ranvik ungdomsskole | Vestfold, Norway | 295 | 6 | 0 | 1997-10-09 |
| Frydenlund skole | Nordland, Norway | 289 | 6 | 0 | 1998-11-24 |
| Melsom videregående skole | Vestfold, Norway | 284 | 7 | 0 | 1998-09-22 |
| Store Bergan skole | Vestfold, Norway | 270 | 8 | 0 | 2005-09-28 |
| Samfundets skole Egersund | Rogaland, Norway | 256 | 8 | 0 | 2023-09-26 |
| Stokke ungdomsskole | Vestfold, Norway | 255 | 6 | 0 | 2001-05-08 |
| Torød skole | Vestfold, Norway | 245 | 6 | 0 | 1999-09-29 |
| Borgheim ungdomsskole | Vestfold, Norway | 240 | 6 | 0 | 1998-09-21 |
| Hafrsfjord skole | Rogaland, Norway | 233 | 6 | 0 | 1998-09-28 |
| Hårkollen skole | Vestfold, Norway | 201 | 6 | 0 | 1998-09-24 |
| Liland skole | Nordland, Norway | 197 | 7 | 0 | 2004-10-05 |
| Grasmyr ungdomsskole | Telemark, Norway | 189 | 8 | 0 | 1998-09-23 |
| Vestskogen skole | Vestfold, Norway | 189 | 6 | 0 | 2001-05-21 |
| Mathopen skole | Vestland, Norway | 184 | 18 | 108 | 2020-10-13 |
| Myklebust skule | Møre og Romsdal, Norway | 183 | 6 | 0 | 1997-10-09 |
| Helgerød skole | Vestfold, Norway | 181 | 6 | 0 | 1998-09-17 |
| Husvik skole | Vestfold, Norway | 178 | 6 | 0 | 2000-11-07 |
| Blomdalen ungdomsskole | Agder, Norway | 176 | 6 | 0 | 1995-09-21 |
| Grødem skole | Rogaland, Norway | 174 | 6 | 0 | 1997-10-14 |
| Tjodalyng ungdomsskole | Vestfold, Norway | 167 | 8 | 0 | 1998-09-22 |
| Bjerkvik barne- og ungdomsskole | Nordland, Norway | 164 | 5 | 0 | 1998-09-29 |
| Berg skole | Vestfold, Norway | 160 | 6 | 0 | 1997-09-24 |
| Sandeåsen skole | Vestfold, Norway | 150 | 6 | 0 | 1997-10-09 |
| Hundvåg skole | Rogaland, Norway | 148 | 9 | 0 | 2000-12-07 |
| Kirkevoll skole | Vestfold, Norway | 143 | 6 | 0 | 2001-09-18 |
| Byskogen skole | Vestfold, Norway | 141 | 6 | 0 | 2000-09-26 |
| Harøy skule | Møre og Romsdal, Norway | 140 | 6 | 0 | 1998-10-30 |
| Ringshaug ungdomsskole | Vestfold, Norway | 139 | 6 | 0 | 1997-09-26 |
| Tvedestrand skole | Agder, Norway | 139 | 6 | 0 | 1998-09-24 |
| Strand skole | Nordland, Norway | 138 | 6 | 0 | 1996-09-16 |
| Stinta skole barne- og Ungdomstrinnet | Agder, Norway | 136 | 6 | 0 | 1997-10-03 |
| Granly skole | Vestfold, Norway | 134 | 6 | 0 | 1997-10-07 |
| Hvaler ungdomsskole | Østfold, Norway | 130 | 6 | 0 | 1996-09-25 |
| Grov skole | Troms, Norway | 125 | 9 | 7 | 2019-11-04 |
| Brentemoen skole | Agder, Norway | 124 | 6 | 0 | 1997-10-02 |
| Harstad ungdomsskole | Troms, Norway | 122 | 6 | 0 | 1997-10-09 |
| Sandnes skole | Agder, Norway | 120 | 14 | 36 | 2017-11-01 |
| Hisøy ungdomsskole | Agder, Norway | 120 | 6 | 0 | 1997-10-02 |
| Botngård skole | Trøndelag, Norway | 118 | 6 | 0 | 1996-09-18 |
| Sande skole | Vestfold, Norway | 117 | 5 | 0 | 1995-09-28 |
| Grindløkken skole | Vestfold, Norway | 117 | 6 | 0 | 1996-09-19 |