Klasse: Starfish (Asteroidea)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Hofles | Trøndelag, Norway | 1 | 1 | 0 | 1994-10-04 | |
| Holm | Nordland, Norway | 1 | 1 | 0 | 1994-11-29 | |
| Holmenskjæret | Akershus, Norway | 3 | 1 | 0 | 2017-09-20 | |
| Holmestrand | Vestfold, Norway | 2 | 1 | 0 | 1993-09-03 | |
| Holmestrand | Vestfold, Norway | 31 | 2 | 0 | 1998-09-18 | |
| Holmfjord | Finnmark, Norway | 1 | 1 | 0 | 2012-10-02 | |
| Holtefjell | Vestfold, Norway | 48 | 2 | 0 | 1998-09-24 | |
| Horten | Vestfold, Norway | 69 | 2 | 0 | 1998-10-08 | |
| Hosteland | Vestland, Norway | 2 | 1 | 0 | 1994-09-01 | |
| Hovedøya | Oslo, Norway | 5 | 1 | 0 | 1996-10-16 | |
| Hundvåg | Rogaland, Norway | 47 | 2 | 0 | 1997-10-14 | |
| Hundvåg | Rogaland, Norway | 40 | 2 | 0 | 2000-12-07 | |
| Hvasser | Vestfold, Norway | 9 | 1 | 0 | 1994-11-30 | |
| Hvasser | Vestfold, Norway | 29 | 3 | 0 | 1996-10-10 | |
| Hvervenbukta | Oslo, Norway | 1 | 1 | 0 | 2015-09-10 | |
| Hvervenbukta | Oslo, Norway | 1 | 1 | 0 | 2015-09-11 | |
| Hvervenbukta | Oslo, Norway | 5 | 2 | 0 | 2015-09-10 | |
| Håkjerringberget | Troms, Norway | 1 | 1 | 0 | 2015-07-09 | |
| Håkonshella | Vestland, Norway | 43 | 4 | 29 | 2020-10-01 | |
| håkonshella | Vestland, Norway | 10 | 3 | 3 | 2020-06-11 | |
| Håkonshella | Vestland, Norway | 12 | 3 | 3 | 2020-06-12 | |
| Håkonshella - Pollen | Vestland, Norway | 1 | 1 | 1 | 2013-08-15 | |
| Håkonshellapollen | Vestland, Norway | 83 | 5 | 29 | 2020-06-12 | |
| Håkvik | Nordland, Norway | 4 | 2 | 0 | 1996-10-09 | |
| Hårkollen | Vestfold, Norway | 72 | 2 | 0 | 1998-09-24 | |
| Håøya | Agder, Norway | 6 | 1 | 0 | 1994-11-04 | |
| Ilene | Vestfold, Norway | 18 | 2 | 0 | 1996-09-26 | |
| Ilsvåg | Rogaland, Norway | 3 | 1 | 0 | 1994-11-28 | |
| Inderøy | Nordland, Norway | 1 | 1 | 0 | 1994-11-28 | |
| Indre Lafjord | Agder, Norway | 47 | 2 | 0 | 1995-09-27 | |
| Indrehavn | Vestfold, Norway | 4 | 1 | 0 | 1993-11-29 | |
| Inndyr | Nordland, Norway | 2 | 1 | 0 | 1993-10-04 | |
| Inndyr | Nordland, Norway | 13 | 2 | 0 | 1998-09-28 | |
| Innsmøla | Møre og Romsdal, Norway | 5 | 2 | 0 | 1995-10-31 | |
| Innvik | Vestland, Norway | 13 | 2 | 0 | 1996-10-03 | |
| Jansvik | Nordland, Norway | 1 | 1 | 0 | 1994-11-29 | |
| Jerkholmen | Agder, Norway | 13 | 2 | 0 | 1996-09-19 | |
| Jomfruland | Telemark, Norway | 2 | 1 | 0 | 1995-09-07 | |
| Judaberg | Rogaland, Norway | 25 | 1 | 0 | 1994-12-20 | |
| Justøya | Agder, Norway | 3 | 2 | 0 | 1996-10-11 | |
| Jørstadneset | Rogaland, Norway | 3 | 2 | 0 | 1996-05-29 | |
| Jåsund, Meling, Haga | Rogaland, Norway | 3 | 1 | 0 | 1993-09-28 | |
| Kaldvellfjorden | Agder, Norway | 40 | 2 | 0 | 1998-09-24 | |
| Karl Johans vern | Vestfold, Norway | 2 | 1 | 0 | 1994-09-23 | |
| Karlsvikodden | Vestfold, Norway | 163 | 5 | 0 | 2008-09-09 | |
| Karlsvikodden | Vestfold, Norway | 2 | 1 | 0 | 2008-04-22 | |
| Killingholmen | Vestfold, Norway | 1 | 1 | 0 | 1996-08-28 | |
| Kjenestangen | Agder, Norway | 2 | 1 | 0 | 1993-09-24 | |
| Kjerreidviken | Vestland, Norway | 2 | 2 | 1 | 2016-05-10 | |
| Kjøpmannsskjær | Vestfold, Norway | 11 | 1 | 0 | 1993-12-22 | |
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