Subphylum: Chelicerata
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Vollsvannet | Trøndelag, Norway | 1 | 1 | 0 | 2014-05-19 | |
| Vollsvatnet | Trøndelag, Norway | 5 | 1 | 0 | 2015-08-31 | |
| Vågelva | Vestland, Norway | 2 | 2 | 0 | 2012-06-07 | |
| Ærdalsbassenget | Agder, Norway | 1 | 1 | 0 | 2013-09-16 | |
| Ørskogkvia | Møre og Romsdal, Norway | 1 | 1 | 0 | 2005-08-30 | |
| Østeråa | Telemark, Norway | 1 | 1 | 0 | 2013-09-26 | |
| Øygårdsvannet | Agder, Norway | 1 | 1 | 0 | 2015-06-20 | |
| Ådneskår | Agder, Norway | 1 | 1 | 1 | 2005-07-15 | |
| Ålesundsaksla | Møre og Romsdal, Norway | 3 | 1 | 0 | 1999-09-28 | |
| Åletjern | Telemark, Norway | 1 | 1 | 0 | 2000-06-06 | |
| Årungen | Akershus, Norway | 1 | 1 | 0 | 1996-09-16 | |
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