Vejdovskya ignava Ax, 1951 | 1962 or earlier | 3-4 m | coarse sand | pure coarse sand, Zostera. Karling. |
Balgetia semicirculifera Karling, 1962 | 1962 or earlier | 3-4 m | coarse sand | |
Balgetia hyalina Karling, 1962 | 1962 or earlier | 3-4 m | coarse sand | Karling. |
Placorhynchus octaculeatus Karling, 1931 | Aug 1929 - Mar 1930 | | sand | shallow bay. |
Gyratrix hermaphroditus Ehrenberg, 1831 | Aug 1929 - Mar 1930 | | | near the beach. |
Acrorhynchus robustus Karling, 1931 | Jun 1929 | | | shallow bay south of Hangöudd. |
Cheliplana stylifera Karling, 1949 | Sep 9, 1936 | 3-4 m | coarse sand | Sand with Zostera. |
Neognathorhynchus lobatus (Ax, 1952) | 1956 or earlier | | | Finnischer Meerbusen. Balget bei Tvärminne, |
Haloplanella curvistyla Luther, 1946 | 1963 or earlier | | Feinsand | Feinsand mit Zostera. |