Littorina sp.
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Skjervøy skole | Trøndelag, Norway | 14 | 1 | 0 | 1996-10-23 |
| Sentrum skole | Vestfold, Norway | 14 | 1 | 0 | 1998-09-23 |
| Færder videregående skole/Avd Korten | Vestfold, Norway | 13 | 1 | 0 | 1996-09-10 |
| Vatne barneskule | Møre og Romsdal, Norway | 13 | 1 | 0 | 2002-05-31 |
| Nedenes skole | Agder, Norway | 13 | 1 | 0 | 1996-09-19 |
| Ringshaug skole | Vestfold, Norway | 13 | 1 | 0 | 1997-09-25 |
| Batnfjord skule | Møre og Romsdal, Norway | 13 | 1 | 0 | 1996-10-14 |
| Eide ungdomsskole | Møre og Romsdal, Norway | 13 | 1 | 0 | 1997-09-30 |
| Vassøy skole | Rogaland, Norway | 13 | 1 | 0 | 1995-10-04 |
| Ulstein ungdomsskule | Møre og Romsdal, Norway | 13 | 1 | 0 | 1995-10-13 |
| Lillås skole | Vestfold, Norway | 13 | 1 | 0 | 1998-09-17 |
| Selje skule | Vestland, Norway | 12 | 1 | 0 | 1995-09-21 |
| Åndalsnes ungdomsskole | Møre og Romsdal, Norway | 12 | 1 | 0 | 1997-06-11 |
| Feda skole | Agder, Norway | 12 | 1 | 0 | 1996-09-26 |
| Botngård skole | Trøndelag, Norway | 12 | 1 | 0 | 1996-09-18 |
| Vigra skule | Møre og Romsdal, Norway | 12 | 1 | 0 | 1995-10-17 |
| Lepsøy skule | Møre og Romsdal, Norway | 12 | 1 | 0 | 1995-09-18 |
| Lødingen ungdomsskole | Nordland, Norway | 12 | 1 | 0 | 1998-09-29 |
| Bleik skole | Nordland, Norway | 12 | 1 | 0 | 1997-10-22 |
| Rennesøy skule | Rogaland, Norway | 12 | 1 | 0 | 1997-10-13 |
| Skarbøvik ungdomsskole | Møre og Romsdal, Norway | 11 | 1 | 0 | 1995-10-27 |
| Sortland barneskole | Nordland, Norway | 11 | 1 | 0 | 1996-10-01 |
| Innvik skule | Vestland, Norway | 11 | 1 | 0 | 1996-10-03 |
| Eik skole | Vestfold, Norway | 11 | 1 | 0 | 1997-09-18 |
| Os skule | Vestland, Norway | 11 | 1 | 0 | 1995-10-17 |
| Nærsnes barneskole | Akershus, Norway | 11 | 1 | 0 | 1996-09-16 |
| Sandnes skole | Agder, Norway | 11 | 1 | 1 | 2014-05-14 |
| Engelsvika skole | Finnmark, Norway | 11 | 1 | 0 | 1995-09-14 |
| Vatne ungdomsskule | Møre og Romsdal, Norway | 10 | 1 | 0 | 1995-09-18 |
| Måndalen Oppvekstsenter/Avd skole | Møre og Romsdal, Norway | 10 | 1 | 0 | 1996-10-23 |
| Sandeid skule | Rogaland, Norway | 10 | 1 | 0 | 1997-10-15 |
| Avaldsnes skole | Rogaland, Norway | 10 | 1 | 0 | 1995-10-20 |
| Nore Øyane skule | Vestland, Norway | 10 | 1 | 0 | 1996-09-18 |
| Flø skule | Møre og Romsdal, Norway | 10 | 1 | 0 | 1995-09-19 |
| Dverberg/saura skole | Nordland, Norway | 10 | 1 | 0 | 1995-10-03 |
| Roligheden skole Barne-/ungdomstrinnet | Agder, Norway | 10 | 1 | 0 | 1995-09-22 |
| Leira skole | Møre og Romsdal, Norway | 10 | 1 | 0 | 1996-09-25 |
| Håland skole | Rogaland, Norway | 10 | 1 | 0 | 1995-09-21 |
| Botne skole | Vestfold, Norway | 10 | 1 | 0 | 1998-09-10 |
| Byskogen skole | Vestfold, Norway | 9 | 1 | 0 | 2006-05-05 |
| Åfarnes Oppvekstsenter/Avd skole | Møre og Romsdal, Norway | 9 | 1 | 0 | 1995-09-27 |
| Strengelvåg skole | Nordland, Norway | 9 | 1 | 0 | 1995-06-08 |
| Markaplassen skole | Trøndelag, Norway | 9 | 1 | 0 | 2018-05-23 |
| Skarbø skule | Møre og Romsdal, Norway | 9 | 1 | 0 | 1998-08-31 |
| Melsom skole | Vestfold, Norway | 8 | 1 | 0 | 1998-10-06 |
| Sandbakken barne- og ungdomsskole | Østfold, Norway | 8 | 1 | 0 | 1995-09-25 |
| Ogna skule | Rogaland, Norway | 8 | 1 | 0 | 1996-09-26 |
| Landego skole | Nordland, Norway | 8 | 1 | 0 | 1996-10-01 |
| Wilds Minne skole | Agder, Norway | 8 | 1 | 0 | 1995-10-16 |
| Fagerheim skole | Vestfold, Norway | 8 | 1 | 0 | 1998-10-13 |