| Posthornmark (Spirorbis sp.) | | 2022-06-08 | 2022-06-08 | | Dusavik (Rogaland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2022-05-31 | 2022-05-31 | | Dusavik (Rogaland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2022-05-24 | 2022-05-24 |  | Dusavik (Rogaland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2021-09-21 | 2021-09-21 | | Dysjalandsvågen (Rogaland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2021-09-21 | 2021-09-21 | | Dysjalandsvågen (Rogaland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2021-09-21 | 2021-09-21 | | Dysjalandsvågen (Rogaland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2020-10-29 | 2020-10-29 | | Ryum (Trøndelag, Norway) |
| Posthornmark (Spirorbis sp.) | | 2020-09-02 | 2020-08-28 | | Fannestrandvegen 98 (Møre og Romsdal, Norway) |
| Posthornmark (Spirorbis sp.) | | 2020-09-02 | 2020-09-02 | | Fannestrandveien 98 (Møre og Romsdal, Norway) |
| Posthornmark (Spirorbis sp.) | | 2020-06-09 | 2020-06-09 | | Håkonshellapollen (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2020-05-27 | 2020-05-27 | | Langøy (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2019-06-11 | 2019-06-11 | | Kårvåg (Møre og Romsdal, Norway) |
| Posthornmark (Spirorbis sp.) | | 2018-10-25 | 2018-10-16 | | Leiknesveien 40 (Troms, Norway) |
| Posthornmark (Spirorbis sp.) | | 2018-09-07 | 2018-09-07 | | Vestrevika, Bildøyna (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2018-06-12 | 2018-06-07 | | pollen (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2018-06-12 | 2018-06-12 | | Håkonshellapollen (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2018-06-07 | 2018-06-06 | | håkonshella (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2018-05-24 | 2018-05-24 | | Håkonshella (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2017-09-05 | 2017-09-01 | | Rotvollfjæra (Trøndelag, Norway) |
| Posthornmark (Spirorbis sp.) | | 2017-06-02 | 2017-05-31 | | Håkonshellapollen (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2016-10-06 | 2016-10-03 | | Marinbiologisk stasjon, Espegrend (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2016-06-10 | 2016-06-10 | | Småvågane (Rogaland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2016-06-10 | 2016-06-09 | | Håkonshellapollen (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2016-06-02 | 2016-06-02 | | Håkonshella (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2016-05-26 | 2016-05-25 | | Dybdalstrand (Agder, Norway) |
| Posthornmark (Spirorbis sp.) | | 2016-05-26 | 2016-05-25 | | Dybdalstrand (Agder, Norway) |
| Posthornmark (Spirorbis sp.) | | 2016-05-12 | 2016-05-10 | | Kjerreidviken (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2015-12-09 | 2015-10-04 | | Landsvik (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2015-11-12 | 2015-09-12 | | Bota (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2015-10-15 | 2015-10-15 | | Håkonshella (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2015-10-15 | 2015-10-15 | | Håkonshella (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2015-10-15 | 2015-10-15 | | Håkonshella (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2015-10-07 | 2015-10-07 | | Drøbak (Akershus, Norway) |
| Posthornmark (Spirorbis sp.) | | 2015-09-30 | 2015-09-30 | | Håkonshella (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2015-09-30 | 2015-09-30 | | Håkonshella (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2015-09-01 | 2015-09-01 | | Hauknesfjæra (Nordland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2015-06-12 | 2015-06-11 | | Håkonshellapollen (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2015-06-12 | 2015-06-12 | | Håkonshellapollen (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2015-06-12 | 2015-06-12 | | Håkonshellapollen (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2015-06-11 | 2015-06-11 | | Håkonshellapollen (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2015-06-04 | 2015-06-04 | | Bjellandstrand (Agder, Norway) |
| Posthornmark (Spirorbis sp.) | | 2015-06-04 | 2015-06-03 | | Bjellandstrand (Agder, Norway) |
| Posthornmark (Spirorbis sp.) | | 2015-05-28 | 2015-05-27 | | Dybdalstrand (Agder, Norway) |
| Posthornmark (Spirorbis sp.) | | 2014-10-23 | 2014-09-22 | | Stokmarknes, Vesterålen (Nordland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2014-10-01 | 2014-09-24 | | Kårtveitpollen (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2014-10-01 | 2014-09-24 | | Kårtveitpollen (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2014-10-01 | 2014-09-24 | | Kårtveitpollen (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2014-09-19 | 2014-05-29 | | Lund-Klungset (Nordland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2014-06-04 | 2014-06-02 | | Håkonshellapollen (Vestland, Norway) |
| Posthornmark (Spirorbis sp.) | | 2014-05-15 | 2014-05-14 | | Bjellandstrand (Agder, Norway) |