Littorina sp.
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Giske skule | Møre og Romsdal, Norway | 28 | 1 | 0 | 1997-09-25 |
| Vestskogen skole | Vestfold, Norway | 28 | 1 | 0 | 1997-10-15 |
| Mellomhagen ungdomsskole | Vestfold, Norway | 27 | 1 | 0 | 1996-10-16 |
| Volden skole | Vestfold, Norway | 27 | 1 | 0 | 1998-10-06 |
| Nesheim skole | Agder, Norway | 27 | 1 | 0 | 1998-09-22 |
| Øyatun skule | Vestland, Norway | 25 | 1 | 0 | 1996-09-25 |
| Alvheim skule | Vestland, Norway | 25 | 1 | 0 | 1997-10-06 |
| Grindløkken skole | Vestfold, Norway | 25 | 1 | 0 | 1996-09-19 |
| Fjære barneskole | Agder, Norway | 25 | 1 | 0 | 1998-09-07 |
| Innsmøla barneskole | Møre og Romsdal, Norway | 25 | 1 | 0 | 1996-09-19 |
| Sigerfjord skole | Nordland, Norway | 24 | 1 | 0 | 1998-10-06 |
| Nesøy skole | Nordland, Norway | 24 | 1 | 0 | 1998-09-15 |
| Gjelsvik skule | Vestland, Norway | 23 | 1 | 0 | 1996-09-19 |
| Kyrkjebø skule | Vestland, Norway | 22 | 1 | 0 | 1998-09-29 |
| Bokn skule | Rogaland, Norway | 22 | 1 | 0 | 1998-10-05 |
| Stavern skole | Vestfold, Norway | 22 | 1 | 0 | 1998-09-23 |
| Goa skole | Rogaland, Norway | 22 | 1 | 0 | 1996-10-02 |
| Ormestad skole | Vestfold, Norway | 21 | 1 | 0 | 1996-09-26 |
| Statland skole | Trøndelag, Norway | 20 | 1 | 0 | 1996-06-19 |
| Skånevik skule | Vestland, Norway | 20 | 1 | 0 | 1996-10-04 |
| Inndyr skole | Nordland, Norway | 20 | 1 | 0 | 1998-09-28 |
| Kruge leirskole | Vestfold, Norway | 20 | 1 | 0 | 1996-10-10 |
| Vevang Oppvekstsenter/Avdeling skole | Møre og Romsdal, Norway | 20 | 1 | 0 | 1995-08-31 |
| Gausetangen skole | Vestfold, Norway | 19 | 1 | 0 | 1998-09-18 |
| Gosen skole | Rogaland, Norway | 19 | 1 | 0 | 1996-10-08 |
| Midsund skule | Møre og Romsdal, Norway | 19 | 1 | 0 | 1996-09-20 |
| Teigar ungdomsskole | Vestfold, Norway | 18 | 1 | 0 | 1995-10-01 |
| Gjeving skole | Agder, Norway | 18 | 1 | 0 | 1997-10-01 |
| Strandvik skule/Vinnes skule | Vestland, Norway | 18 | 1 | 0 | 1996-10-03 |
| Oksvoll skole | Trøndelag, Norway | 18 | 1 | 0 | 1997-10-08 |
| Vesterøy skole | Vestfold, Norway | 18 | 1 | 0 | 1995-09-22 |
| Eydehavn skole | Agder, Norway | 18 | 1 | 0 | 1995-09-20 |
| Samfundets skole Sentrum | Agder, Norway | 17 | 1 | 0 | 1997-09-24 |
| Ørnes ungdomsskole | Nordland, Norway | 17 | 1 | 0 | 1998-10-07 |
| Høvåg skole | Agder, Norway | 17 | 1 | 0 | 1995-10-09 |
| Frostvedt skole | Vestfold, Norway | 17 | 1 | 0 | 1998-10-06 |
| Langangen skole | Telemark, Norway | 17 | 1 | 0 | 1997-09-10 |
| Skarbo skole | Telemark, Norway | 17 | 1 | 0 | 1996-08-27 |
| Bakkamyra barneskole | Møre og Romsdal, Norway | 16 | 1 | 0 | 1996-09-20 |
| Vormedal ungdomsskole | Rogaland, Norway | 16 | 1 | 0 | 1995-10-04 |
| Bremsnes skole | Møre og Romsdal, Norway | 16 | 1 | 0 | 1997-10-07 |
| Vestbygd skole | Nordland, Norway | 16 | 1 | 0 | 1995-10-12 |
| Valderøy barneskule | Møre og Romsdal, Norway | 16 | 1 | 0 | 1996-10-17 |
| Sodin skole | Trøndelag, Norway | 16 | 1 | 0 | 1995-06-07 |
| Søvik skule | Møre og Romsdal, Norway | 16 | 1 | 0 | 1996-09-19 |
| Valderøy ungdomsskule | Møre og Romsdal, Norway | 15 | 1 | 0 | 1995-09-15 |
| Orerønningen ungdomsskole | Vestfold, Norway | 15 | 1 | 0 | 1995-09-19 |
| Skjervøy skole | Trøndelag, Norway | 14 | 1 | 0 | 1996-10-23 |
| Byskogen skole | Vestfold, Norway | 14 | 1 | 0 | 1997-09-09 |
| Sentrum skole | Vestfold, Norway | 14 | 1 | 0 | 1998-09-23 |