Genus: Ciona
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2020 | 1 | 1 | 1 | 1 |
| 2018 | 1 | 1 | 1 | 1 |
| 2014 | 1 | 1 | 1 | 5 |
| 2013 | 1 | 1 | 1 | 1 |
| 2001 | 1 | 2 | 2 | 15 |
| Totalt alle år | 1 | 6 | 6 | 23 |
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Responsible editor: Doris Jorde