| Mecynostomum auritum (Schultze, 1851) | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Pseudaphanostoma pelophilum Dörjes, 1968 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Psammomacrostomum equicaudum Ax, 1966 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Archilopsis arenaria Martens, Curini-Galletti & Pucinelli, 1989 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Archilopsis marifuga Martens, Curini-Galletti & Pucinelli, 1989 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Archilopsis unipunctata (Fabricius, 1826) | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Coelogynopora axi Sopott, 1972 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Coelogynopora schulzii Meixner, 1938 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Coelogynopora sequana Sopott-Ehlers, 1992 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Pseudosyrtis subterranea (Ax, 1951) | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Brinkmanniella macrostomoides Luther, 1948 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Coronhelmis multispinosus Luther, 1948 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Promesostoma caligulatum Ax, 1952 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Proxenetes flabellifer Jensen, 1878 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Cicerina brevicirrus Meixner, 1928 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Zonorhynchus seminascatus Karling, 1956 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Placorhynchus octaculeatus Karling, 1931 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Diascorhynchus serpens Karling, 1949 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Diascorhynchus serpens Karling, 1949 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Provortex psammophilus Meixner, 1938 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. | 
| Provortex tubiferus Luther, 1948 | 1993-1994 |  |  | Sahlenburg (Hundestrand), Weser Estuary samples taken from intertidal flats. |