| Aphanostoma chromocephalum Steinböck, 1933 | 1933 or earlier | 9 m | red mud, coarse sand | Between coarse sand shells. 2 specimens. |
| Polycystis dolichocephala (Pereyaslawzewa, 1892) | 1933 or earlier | | | in Zostera. |
| Childia leptoposthium (Riedl, 1956) | 1956 or earlier | 32 m | mud (Schlammböden) | Pod Gradom = Sotto castello. |
| Childia groenlandica (Levinsen, 1879) | 1953 or earlier | 33 m | mud and clay with some sand | Sotto Castello |
| Childia groenlandica (Levinsen, 1879) | 1953 or earlier | 30 m | mud and clay with some sand | Mitte. |
| Mecynostomum agile Jensen, 1878 | 1956 or earlier | 30 m | | |
| Mecynostomum minimum (Westblad, 1946) | 1956 or earlier | up to 25 m | | |
| Mecynostomum tenuissimum (Westblad, 1946) | 1956 or earlier | 10-40 m | | |
| Gastropharynx limophilus Riedl, 1956 | 1956 or earlier | 20-40 m | mud (Schlammböden) | |
| Rogneda westbladi Karling, 1953 | 1956 or earlier | 4-40 m | mud loam | |
| Childia groenlandica (Levinsen, 1879) | 1956 or earlier | | | |
| Convoluta schultzii Schmidt, 1852 | 1933 or earlier | 9 m | red mud | Zostera. |
| Convoluta convoluta (Abildgaard, 1806) | 1933 or earlier | | | Zostera. |
| Convoluta hipparchia Pereyaslawzewa, 1892 | 1933 or earlier | | | Zostera. |
| Trigonostomum setigerum Schmidt, 1852 | 1933 or earlier | | | Zostera. |
| Promesostoma marmoratum (Schultze, 1851) | 1933 or earlier | | | Zostera. |
| Promesostoma ellipticum (Uljanin, 1870) | 1933 or earlier | | | 1 specimen, in Zostera. |
| Plagiostomum meledanum Graff, 1911 | 1933 or earlier | | | 1 specimen, in Algae. |
| Plagiostomum chromogastrum Graff, 1890 | 1933 or earlier | | | few specimen, in Ulven at the Station, and in Zostera-Rasen. |