Anaperus tvaerminnensis | prior to 1960 | | | between Jovskär and Vikarskär, 60 cm deep. (Papi) |
Dolichomacrostomum uniporum | Jun 18, 1944 | | sand, gyttia | sand bank between the Islands of Vikarskär and Jovskär near Tvärminne, 30-35 cm deep. |
Macrostomum balticum | prior to 1960 | 2.5-3.0 m | sand, gyttja | between Vikarskär and Långholmen. All specimens found between June and August. |
Macrostomum balticum | prior to 1960 | 0.5 m | sand, gyttja | between Vikarskär and Jovskär. All specimens found between June and August. |
Macrostomum curvituba | prior to 1960 | | | |
Monocelis lineata | prior to 1960 | | | between Vikarskär and Langholmen. |
Promonotus schultzei | prior to 1960 | | | Krogarviken: north of Vikarskär. |
Minona baltica | prior to 1960 | | | |
Bothriomolus balticus | prior to 1960 | | fine sand | west bay. |
Macrostomum hamatum | Aug 31, 1943 | | sand, rock | southern bank. Vegetation includes Scirpus uniglumis, Juncus Gerardi, Aster tripolium, Phragmites. 3 specimens. |
Tvaerminnea karlingi | Aug 1936 | 0.2-7.0 m | sand | found on sand bottoms, pushes through sand grains. Between the Zoological Station and Vikarskär. |
Bresslauilla relicta | 1961 or earlier | | fine sand | 18 degrees C., 2 specimens. |
Provortex pallidus | 1962 or earlier | | | |
Provortex karlingi | 1962 or earlier | | | between Långholmen and Vikarskär. |
Baicalellia brevituba | 1962 or earlier | | | plants, sea shore rocky promontory zone. Between Vikarskär and Jovskär. |
Baicalellia beauchampi | 1962 or earlier | | sand | between Vikarskär and Jovskär, detritus containing sand, 30-40 cm. Papi. |
Baicalellia pusilla | 1962 or earlier | | | between Jovskär and Vikarskär, 15-20l cm deep. |
Brinkmanniella macrostomoides | 1962 or earlier | | | between Långholmen and Vikarskär. |
Coronhelmis multispinosus | 1962 or earlier | | | Sandbank. |
Koinocystis tvaerminnensis | Aug 1929 - Mar 1930 | 1 m | | Diese Art fand ich in geringer Anzahl dicht bei den Inseln Jofskär und Vikarskär in einer Tiefe von ungefähr 1 m. Der Boden war feiner Sand ohne Vegetation. In denselben Proben fand ich auch Placorhynchus und Proxenetes flabellifer. |
Placorhynchus octaculeatus | Aug 1929 - Mar 1930 | 1 m | sand | Krogarviken Bay, and the Islands of Jofskär and Vikarskär. |
Acrorhynchus robustus | Jun 1929 | | | in the Sound between the Islands of Jofskär and Vikarskär. |
Thalassoplanella collaris | 1946 or earlier | | | shallow water and in wet bank soil with Gyttja and humus. |
Anthopharynx vaginatus | 1963 or earlier | 3 m | Sand, mud | N. Tvärminne-Gebiet: Zwischen Vikarskär und Långholmen, Sand mit Schlick (A.L.) |
Castrada lanceola | 1963 or earlier | | | Umgebung der Zool. Station Tvärminne: zwischen Långholmen u. Vikarskär; |
Castrada subsalsa | 1963 or earlier | | | Vikarskär |
Gieysztoria infundibuliformis | 1955 or earlier | | | Storlandet, vegetationsreicher Tümpel |