| 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. |