| Pseudoposthia macrogonopora Westblad, 1946 | 1972-1975 |  | mud, sand | sublittoral | 
| Praeaphanostoma longum Dörjes, 1968 | 1972-1975 |  | mud, sand | sublittoral | 
| Isodiametra variomorpha (Dörjes, 1968) | 1972-1975 |  | mud, sand | sublittoral | 
| Parahaploposthia brunea Faubel, 1976 | 1972-1975 |  | mud, sand | sublittoral | 
| Avagina sublitoralis Faubel, 1976 | 1972-1975 |  | mud, sand | sublittoral | 
| Atriofronta polyvacuola Dörjes, 1968 | 1972-1975 |  | mud, sand | sublittoral | 
| Actinoposthia biaculeata Faubel, 1974 | 1972-1975 |  | mud, sand | sublittoral | 
| Sterreria psammicola (Sterrer, 1970) | 1972-1975 |  | mud, sand | sublittoral | 
| Pseudaphanostoma syltensis (Dörjes, 1968) | 1972-1975 |  | mud, sand | sublittoral | 
| Pseudaphanostoma syltensis (Dörjes, 1968) | 1972-1975 |  | mud, sand | semi-exposed beach slope | 
| Simplicomorpha gigantorhabditis Dörjes, 1968 | 1972-1975 |  | mud, sand | sublittoral | 
| Pseudaphanostoma psammophilum Dörjes, 1968 | 1972-1975 |  | mud, sand | semi-exposed beach slope | 
| Unantra polyvacuola Faubel, 1976 | 1972-1975 |  | mud, sand | sublittoral | 
| Haplogonaria simplex Dörjes, 1968 | 1972-1975 |  | mud, sand | semi-exposed beach slope | 
| Philomecynostomum lapillum Dörjes, 1968 | 1972-1975 |  | mud, sand | semi-exposed beach slope | 
| Aphanostoma album Dörjes, 1968 | 1972-1975 |  | mud, sand | sublittoral | 
| Anaperus tvaerminnensis (Luther, 1912) | 1972-1975 |  | mud, sand | semi-exposed beach slope | 
| Anaperus tvaerminnensis (Luther, 1912) | 1972-1975 |  | mud, sand | sheltered beach slope, sand mud flat | 
| Archaphanostoma agile (Jensen, 1878) | 1972-1975 |  | mud, sand | sand mud flat | 
| Mecynostomum auritum (Schultze, 1851) | 1972-1975 |  | mud, sand | sand mud flat | 
| Microstomum papillosum Graff, 1882 | 1972-1975 |  | mud, sand | exposed beach slope | 
| Paromalostomum fusculum Ax, 1952 | 1972-1975 |  | mud, sand | sand mud flat | 
| Pseudaphanostoma pelophilum Dörjes, 1968 | Sep 1963 |  | mud, sand |  | 
| Mecynostomum auritum (Schultze, 1851) | Sep 1963 |  | mud, sand |  | 
| Proxenetes (Perixenetes) bilioi den Hartog, 1966 | Jul 1970 |  | mud | muddy salt marsh area.  leg. U. Ehlers. | 
| Adenopharynx mitrabursalis Ehlers, 1972 | Jul 1972 |  | fine sand | sand flat, south of the connecting dam with the mainland, near the NWL, several individuals. | 
| Coronhelmis lutheri Ax, 1951 | Nov 1970 |  | sand | 4 individuals.  similar location to discovery of C. multispinosus. | 
| Proxenetes deltoides den Hartog, 1965 | Nov 1970 |  | sand | Break-protected sand beach.  Fine sand from the supralitoral. 26 specimens. |