Arenicola marina
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Avaldsnes skole | Rogaland, Norway | 4 | 1 | 0 | 1995-10-20 |
| Birkenlund ungdomsskole | Agder, Norway | 4 | 1 | 0 | 1994-12-05 |
| Melsom skole | Vestfold, Norway | 4 | 1 | 0 | 1998-10-06 |
| Åset skole | Trøndelag, Norway | 4 | 1 | 0 | 1994-12-05 |
| Gottesjord skole | Troms, Norway | 4 | 1 | 0 | 1993-10-26 |
| Ormestad skole | Vestfold, Norway | 4 | 1 | 0 | 1996-09-26 |
| Leonie Johann | Nordland, Norway | 4 | 1 | 1 | 2018-04-05 |
| Grytøy Oppvekstsenter/Avdeling skole | Troms, Norway | 4 | 1 | 0 | 1993-08-31 |
| Universitetet i Tromsø | Troms, Norway | 4 | 1 | 4 | 2014-08-29 |
| Åsgården skole | Vestfold, Norway | 4 | 1 | 0 | 1994-11-10 |
| Statland skole | Trøndelag, Norway | 3 | 1 | 0 | 1996-06-19 |
| Sandar videregående skole | Vestfold, Norway | 3 | 1 | 0 | 1993-09-17 |
| Håland skole | Rogaland, Norway | 3 | 1 | 0 | 1995-09-21 |
| Stend vidaregåande skule | Vestland, Norway | 3 | 1 | 0 | 1996-09-27 |
| Berge ungdomsskole | Agder, Norway | 3 | 1 | 0 | 1995-11-01 |
| Fjære barneskole | Agder, Norway | 3 | 1 | 0 | 1997-10-27 |
| Eltoft skole | Nordland, Norway | 3 | 1 | 0 | 1996-09-17 |
| Gosen skole | Rogaland, Norway | 3 | 1 | 0 | 1996-10-08 |
| Lesund skole | Møre og Romsdal, Norway | 3 | 1 | 0 | 1993-10-21 |
| Mathopen skole | Vestland, Norway | 3 | 1 | 2 | 2015-06-10 |
| Tjøme ungdomsskole | Vestfold, Norway | 3 | 1 | 0 | 1994-11-01 |
| Tananger ungdomsskole | Rogaland, Norway | 3 | 1 | 0 | 1994-06-21 |
| Skjelnan skole | Troms, Norway | 3 | 1 | 0 | 2009-06-12 |
| Eiksund skule | Møre og Romsdal, Norway | 3 | 1 | 0 | 1994-10-03 |
| Fagerheim skole | Vestfold, Norway | 3 | 1 | 0 | 1998-10-13 |
| Stavern skole | Vestfold, Norway | 3 | 1 | 0 | 1998-09-23 |
| Holand skole | Nordland, Norway | 3 | 1 | 0 | 1993-10-13 |
| Eydehavn skole | Agder, Norway | 3 | 1 | 0 | 1995-09-20 |
| Sandøy skule | Møre og Romsdal, Norway | 3 | 1 | 0 | 1996-09-20 |
| Lindhøy skole | Vestfold, Norway | 3 | 1 | 0 | 1994-11-30 |
| Kvaløysletta skole | Troms, Norway | 3 | 1 | 0 | 1993-11-12 |
| Ytre Solund skule | Vestland, Norway | 3 | 1 | 0 | 2001-06-11 |
| Træleborg skole | Vestfold, Norway | 3 | 1 | 0 | 1994-11-10 |
| Nesheim skole | Agder, Norway | 3 | 1 | 0 | 1996-09-05 |
| Engelsvika skole | Finnmark, Norway | 3 | 1 | 0 | 1995-09-14 |
| Abelvær skole | Trøndelag, Norway | 3 | 1 | 0 | 1996-09-23 |
| Frakkagjerd ungdomsskole | Rogaland, Norway | 3 | 1 | 0 | 1994-11-28 |
| Vassøy skole | Rogaland, Norway | 3 | 1 | 0 | 1994-11-25 |
| Seiersten ungdomsskole | Akershus, Norway | 3 | 1 | 0 | 1994-11-04 |
| Olsrød videregående skole | Vestfold, Norway | 3 | 1 | 0 | 1993-12-22 |
| Torjulvågen skole | Møre og Romsdal, Norway | 3 | 1 | 0 | 1996-09-20 |
| Nærøysundet skole | Trøndelag, Norway | 3 | 1 | 0 | 1995-01-02 |
| Flosta skole | Agder, Norway | 3 | 1 | 0 | 1993-10-26 |
| Sula barne- og ungdomsskole | Trøndelag, Norway | 3 | 1 | 0 | 1997-10-12 |
| Stamnesdalen skole | Trøndelag, Norway | 3 | 1 | 0 | 1995-09-13 |
| Høvåg skole | Agder, Norway | 3 | 1 | 0 | 1995-10-09 |
| Krokemoa skole | Vestfold, Norway | 3 | 1 | 0 | 1993-10-21 |
| Rødbøl skole | Vestfold, Norway | 3 | 1 | 0 | 1995-09-20 |
| Skarbøvik ungdomsskole | Møre og Romsdal, Norway | 2 | 1 | 0 | 1995-10-27 |
| Falkensten skole | Vestfold, Norway | 2 | 1 | 0 | 1996-09-24 |