Archeogastropoda
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Hofles | Trøndelag, Norway | 1 | 1 | 0 | 1994-10-04 | |
| Holm | Nordland, Norway | 7 | 2 | 0 | 1994-11-29 | |
| Holmavegen 2 | Rogaland, Norway | 1 | 1 | 0 | 2018-06-05 | |
| Holmenskjæret | Akershus, Norway | 3 | 1 | 0 | 2017-09-20 | |
| Holmestrand | Vestfold, Norway | 9 | 4 | 0 | 1997-09-19 | |
| Holtefjell | Vestfold, Norway | 13 | 3 | 0 | 1998-09-24 | |
| Horten | Vestfold, Norway | 18 | 3 | 0 | 1998-10-08 | |
| Hosteland | Vestland, Norway | 2 | 1 | 0 | 1994-09-01 | |
| Hovedøya | Oslo, Norway | 1 | 1 | 0 | 1996-10-16 | |
| Hundvåg | Rogaland, Norway | 67 | 4 | 0 | 1997-10-14 | |
| Hundvåg | Rogaland, Norway | 110 | 4 | 0 | 2000-12-07 | |
| Hvasser | Vestfold, Norway | 2 | 2 | 0 | 1993-10-14 | |
| Hvasser | Vestfold, Norway | 18 | 2 | 0 | 1994-11-30 | |
| Hytteområde i Austefjorden | Vestland, Norway | 1 | 1 | 0 | 2007-08-31 | |
| Håkonshella | Vestland, Norway | 33 | 5 | 21 | 2020-10-14 | |
| Håkonshella | Vestland, Norway | 5 | 1 | 0 | 2020-06-11 | |
| håkonshella | Vestland, Norway | 3 | 1 | 0 | 2019-06-13 | |
| Håkonshellapollen | Vestland, Norway | 52 | 5 | 15 | 2020-06-12 | |
| Håkvik | Nordland, Norway | 22 | 4 | 0 | 1996-10-09 | |
| Hårkollen | Vestfold, Norway | 11 | 4 | 0 | 1996-09-26 | |
| Håøya | Agder, Norway | 2 | 1 | 0 | 1993-08-30 | |
| Ilene | Vestfold, Norway | 11 | 4 | 0 | 1996-09-26 | |
| Ilsvåg | Rogaland, Norway | 4 | 2 | 0 | 1994-11-28 | |
| Inderøy | Nordland, Norway | 1 | 1 | 0 | 1994-11-28 | |
| Indre Lafjord | Agder, Norway | 7 | 4 | 0 | 1995-09-27 | |
| Indrehavn | Vestfold, Norway | 7 | 2 | 0 | 1993-11-29 | |
| Inndyr | Nordland, Norway | 46 | 4 | 0 | 1999-10-11 | |
| Inndyr | Nordland, Norway | 8 | 2 | 0 | 1994-11-30 | |
| Innlandet | Møre og Romsdal, Norway | 6 | 2 | 0 | 1997-10-15 | |
| Innsmøla | Møre og Romsdal, Norway | 64 | 4 | 0 | 1996-09-19 | |
| Innvik | Vestland, Norway | 3 | 1 | 0 | 1996-10-03 | |
| Jansvik | Nordland, Norway | 9 | 3 | 0 | 1995-10-26 | |
| Jerkholmen | Agder, Norway | 6 | 2 | 0 | 1996-09-19 | |
| Jomfruland | Telemark, Norway | 1 | 1 | 1 | 2013-05-07 | |
| Judaberg | Rogaland, Norway | 41 | 2 | 0 | 1994-12-20 | |
| Jørstadneset | Rogaland, Norway | 9 | 4 | 0 | 1996-05-29 | |
| Jåsund, Meling, Haga | Rogaland, Norway | 12 | 2 | 0 | 1993-09-28 | |
| Kabelviga | Agder, Norway | 1 | 1 | 0 | 2009-08-25 | |
| Kaldvellfjorden | Agder, Norway | 12 | 4 | 0 | 1998-09-24 | |
| Karl Johans vern | Vestfold, Norway | 1 | 1 | 0 | 1993-11-29 | |
| Kjerreidviken | Vestland, Norway | 10 | 2 | 11 | 2016-05-31 | |
| Kjøpmannsskjær | Vestfold, Norway | 4 | 2 | 0 | 1993-12-22 | |
| Kleiva | Nordland, Norway | 9 | 2 | 0 | 1993-10-13 | |
| Kleppestø | Vestland, Norway | 10 | 2 | 0 | 1993-09-30 | |
| Kloster Halsnøy | Vestland, Norway | 2 | 1 | 0 | 2019-05-23 | |
| Kolbeinsrød | Vestfold, Norway | 17 | 4 | 0 | 1997-09-09 | |
| Kollevåg | Vestland, Norway | 26 | 3 | 0 | 1996-10-02 | |
| Kolvereid | Trøndelag, Norway | 23 | 4 | 0 | 2000-05-09 | |
| Kopervik | Rogaland, Norway | 6 | 2 | 0 | 1996-10-16 | |
| Korsvika | Trøndelag, Norway | 2 | 1 | 1 | 2021-09-09 |