| Haplogonaria elegans Faubel, 1976 | July/August 1975 |  |  |  | 
| Pseudoposthia macrogonopora Westblad, 1946 | 1972-1975 |  |  | sublittoral | 
| Praeaphanostoma longum Dörjes, 1968 | 1972-1975 |  |  | sublittoral | 
| Atriofronta polyvacuola Dörjes, 1968 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Afronta rubra Faubel, 1976 | 1972-1975 |  |  | exposed beach slope | 
| Microposthia listensis Faubel, 1974 | 1972-1975 |  |  | semi-exposed beach slope, clean flat sand | 
| Nemertoderma sp. Westblad, 1937 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Praeconvoluta minor Faubel, 1974 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Paratomella unichaeta Dörjes, 1966 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Actinoposthia longa Faubel, 1976 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Antroposthia unipora Faubel, 1974 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Antroposthia axi Faubel, 1974 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Haplogonaria psammalia Faubel, 1974 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Actinoposthia biaculeata Faubel, 1974 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Actinoposthia biaculeata Faubel, 1974 | 1972-1975 |  |  | exposed beach slope | 
| Bradynectes sterreri Rieger, 1971 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Paraproporus rosettiformis Faubel, 1974 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Paraproporus rosettiformis Faubel, 1974 | 1972-1975 |  |  | clean sand flat | 
| Haplogonaria macrobursalia Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Archaphanostoma histobursalium Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Childia gracilis (Westblad, 1945) | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Proconvoluta primitiva Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Pseudaphanostoma syltensis (Dörjes, 1968) | 1972-1975 |  |  | exposed beach slope | 
| Pseudaphanostoma syltensis (Dörjes, 1968) | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Pseudaphanostoma syltensis (Dörjes, 1968) | 1972-1975 |  |  | sheltered beach slope, sand-mud flat | 
| Simplicomorpha gigantorhabditis Dörjes, 1968 | 1972-1975 |  |  | exposed beach slope | 
| Simplicomorpha gigantorhabditis Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean flat sand | 
| Simplicomorpha gigantorhabditis Dörjes, 1968 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Pseudaphanostoma psammophilum Dörjes, 1968 | 1972-1975 |  |  | exposed beach slope | 
| Pseudaphanostoma psammophilum Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean flat sand | 
| Pseudaphanostoma psammophilum Dörjes, 1968 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Pseudaphanostoma psammophilum Dörjes, 1968 | 1972-1975 |  |  | phytal (Enteromorpha sp. aned Ulva sp.) | 
| Isodiametra helgolandica (Dörjes, 1968) | 1972-1975 |  |  | exposed beach slope | 
| Isodiametra helgolandica (Dörjes, 1968) | 1972-1975 |  |  | semi-exposed beach slope, clean flat sand | 
| Isodiametra helgolandica (Dörjes, 1968) | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Actinoposthia pigmentea Faubel, 1976 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Actinoposthia pigmentea Faubel, 1976 | 1972-1975 |  |  | sheltered beach slope | 
| Actinoposthia pigmentea Faubel, 1976 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Actinoposthia pigmentea Faubel, 1976 | 1972-1975 |  |  | clean sand flat | 
| Unantra polyvacuola Faubel, 1976 | 1972-1975 |  |  | exposed beach slope | 
| Atriofronta polyvacuola Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Paromalostomum proceracauda Pawlak, 1969 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Atriofronta polyvacuola Dörjes, 1968 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Eumecynostomum papillosum (Faubel, 1974) | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Eumecynostomum papillosum (Faubel, 1974) | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Oligofilomorpha interstitiophilum Faubel, 1974 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Oligofilomorpha interstitiophilum Faubel, 1974 | 1972-1975 |  |  | clean sand flat | 
| Oligofilomorpha interstitiophilum Faubel, 1974 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Convoluella brunea Faubel, 1974 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Convoluella brunea Faubel, 1974 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Haplogonaria simplex Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Haplogonaria simplex Dörjes, 1968 | 1972-1975 |  |  | sheltered beach slope | 
| Haplogonaria simplex Dörjes, 1968 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Philomecynostomum lapillum Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Philomecynostomum lapillum Dörjes, 1968 | 1972-1975 |  |  | clean sand flat | 
| Philomecynostomum lapillum Dörjes, 1968 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Philomecynostomum lapillum Dörjes, 1968 | 1972-1975 |  |  | sand mud flat | 
| Praeaphanostoma chaetocaudatum Dörjes, 1968 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Philocelis cellata Dörjes, 1968 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Pseudmecynostomum pelophilum Dörjes, 1968 | 1972-1975 |  |  | sand mud eel grass area | 
| Aphanostoma album Dörjes, 1968 | 1972-1975 |  |  | sublittoral | 
| Aphanostoma album Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Aphanostoma album Dörjes, 1968 | 1972-1975 |  |  | sheltered beach slope | 
| Aphanostoma album Dörjes, 1968 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Aphanostoma album Dörjes, 1968 | 1972-1975 |  |  | sand mud flat | 
| Aphanostoma album Dörjes, 1968 | 1972-1975 |  |  | mud flat | 
| Anaperus tvaerminnensis (Luther, 1912) | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Anaperus tvaerminnensis (Luther, 1912) | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Anaperus tvaerminnensis (Luther, 1912) | 1972-1975 |  |  | sand mud flat | 
| Anaperus tvaerminnensis (Luther, 1912) | 1972-1975 |  |  | sand mud eel grass area | 
| Anaperus tvaerminnensis (Luther, 1912) | 1972-1975 |  |  | mud flat | 
| Anaperus tvaerminnensis (Luther, 1912) | 1972-1975 |  |  | mud flat, sheltered beach slope | 
| Pseudmecynostomum bruneofilum Faubel, 1974 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Pseudmecynostomum bruneofilum Faubel, 1974 | 1972-1975 |  |  | mud flat | 
| Pseudmecynostomum bruneum Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Pseudmecynostomum bruneum Dörjes, 1968 | 1972-1975 |  |  | mud flat, sheltered beach slope | 
| Paedomecynostomum bruneum Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Paedomecynostomum bruneum Dörjes, 1968 | 1972-1975 |  |  | mud flat | 
| Postmecynostomum pictum Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clea sand flat | 
| Postmecynostomum pictum Dörjes, 1968 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Postmecynostomum pictum Dörjes, 1968 | 1972-1975 |  |  | mud flat, sheltered beach slope | 
| Postmecynostomum pictum Dörjes, 1968 | 1972-1975 |  |  | mud flat | 
| Mecynostomum haplovarium Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Mecynostomum haplovarium Dörjes, 1968 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Mecynostomum haplovarium Dörjes, 1968 | 1972-1975 |  |  | sand mud flat | 
| Mecynostomum haplovarium Dörjes, 1968 | 1972-1975 |  |  | mud flat, sheltered beach slope | 
| Mecynostomum haplovarium Dörjes, 1968 | 1972-1975 |  |  | mud flat | 
| Archaphanostoma agile (Jensen, 1878) | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Archaphanostoma agile (Jensen, 1878) | 1972-1975 |  |  | sand mud flat | 
| Archaphanostoma agile (Jensen, 1878) | 1972-1975 |  |  | mud flat, sheltered beach slope | 
| Archaphanostoma agile (Jensen, 1878) | 1972-1975 |  |  | mud flat | 
| Mecynostomum auritum (Schultze, 1851) | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Mecynostomum auritum (Schultze, 1851) | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Mecynostomum auritum (Schultze, 1851) | 1972-1975 |  |  | mud flat, sheltered beach slope | 
| Mecynostomum auritum (Schultze, 1851) | 1972-1975 |  |  | mud flat | 
| Mecynostomum auritum (Schultze, 1851) | 1972-1975 |  |  | brackish water habitat | 
| Pseudaphanostoma pelophilum Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Pseudaphanostoma pelophilum Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope | 
| Pseudaphanostoma pelophilum Dörjes, 1968 | 1972-1975 |  |  | mud flat, sheltered beach slope | 
| Achoerus pachycaudatus Dörjes, 1968 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Achoerus pachycaudatus Dörjes, 1968 | 1972-1975 |  |  | sand mud eel grass area | 
| Achoerus pachycaudatus Dörjes, 1968 | 1972-1975 |  |  | mud flat, sheltered beach slope | 
| Achoerus pachycaudatus Dörjes, 1968 | 1972-1975 |  |  | mud flat | 
| Pseudaphanostoma brevicaudatum Dörjes, 1968 | 1972-1975 |  |  | sand mud flat | 
| Pseudaphanostoma brevicaudatum Dörjes, 1968 | 1972-1975 |  |  | sand mud eel grass area | 
| Pseudaphanostoma brevicaudatum Dörjes, 1968 | 1972-1975 |  |  | mud flat, sheltered beach slope | 
| Pseudaphanostoma brevicaudatum Dörjes, 1968 | 1972-1975 |  |  | mud flat | 
| Philactinoposthia saliens (Graff, 1882) | 1972-1975 |  |  | sand mud flat | 
| Philactinoposthia saliens (Graff, 1882) | 1972-1975 |  |  | sand mud eel grass area | 
| Philactinoposthia saliens (Graff, 1882) | 1972-1975 |  |  | mud flat, sheltered beach slope | 
| Philactinoposthia saliens (Graff, 1882) | 1972-1975 |  |  | mud flat | 
| Philachoerus johanni Dörjes, 1968 | 1972-1975 |  |  | mud flat | 
| Philachoerus johanni Dörjes, 1968 | 1972-1975 |  |  | mud flat, sheltered beach slope | 
| Myozona stylifera Ax, 1956 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Paromalostomum dubium (de Beauchamp, 1927) | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Antromacrostomum armatum Faubel, 1974 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Myozona purpurea Faubel, 1974 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Myozona purpurea Faubel, 1974 | 1972-1975 |  |  | exposed beach slope | 
| Microstomum papillosum Graff, 1882 | 1972-1975 |  |  | exposed beach slope | 
| Microstomum papillosum Graff, 1882 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Microstomum papillosum Graff, 1882 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Microstomum spiculifer Faubel, 1974 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Microstomum spiculifer Faubel, 1974 | 1972-1975 |  |  | exposed beach slope | 
| Microstomum spiculifer Faubel, 1974 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Microstomum jenseni Riedel, 1932 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Microstomum jenseni Riedel, 1932 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Haplopharynx rostratus Meixner, 1938 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Haplopharynx rostratus Meixner, 1938 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Paromalostomum fusculum Ax, 1952 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Paromalostomum fusculum Ax, 1952 | 1972-1975 |  |  | clean sand flat | 
| Paromalostomum fusculum Ax, 1952 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Macrostomum pusillum Ax, 1951 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Macrostomum pusillum Ax, 1951 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Macrostomum balticum Luther, 1947 | 1972-1975 |  |  | sheltered beach slope | 
| Macrostomum balticum Luther, 1947 | 1972-1975 |  |  | sheltered beach slope, sand mud flat | 
| Macrostomum balticum Luther, 1947 | 1972-1975 |  |  | sand mud flat | 
| Pseudograffilla arenicola Meixner, 1938 |  |  |  | collected from beaches. | 
| Paromalostomum fusculum Ax, 1952 | summer 1951 | eulittoral | sand | east of list. |