| Mecynostomum auritum (Schultze, 1851) | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Pseudaphanostoma pelophilum Dörjes, 1968 | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Psammomacrostomum equicaudum Ax, 1966 | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Archilopsis marifuga Martens, Curini-Galletti & Pucinelli, 1989 | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Archilopsis spinosa (Jensen, 1878) | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Paramonotus hamatus (Jensen, 1878) | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Coelogynopora biarmata Steinböck, 1924 | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Coelogynopora sequana Sopott-Ehlers, 1992 | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Bothriomolus balticus Meixner, 1938 | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Philosyrtis fennica Ax, 1954 | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Haloplanella obtusituba Luther, 1946 | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Promesostoma marmoratum (Schultze, 1851) | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Placorhynchus octaculeatus Karling, 1931 | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Psittacorhynchus verweyi den Hartog, 1968 | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Thylacorhynchus filostylis Karling, 1956 | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Baltoplana magna Karling, 1949 | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Diascorhynchus serpens Karling, 1949 | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |
| Baicalellia subsalina Ax, 1954 | 1993-1994 | | | Bremerhaven (Strandbad), Weser Estuary samples taken from intertidal flats. |