| 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. |