| Anaperus tvaerminnensis (Luther, 1912) | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Diopisthoporus psammophilus Dörjes, 1968 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Diopisthoporus psammophilus Dörjes, 1968 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Anaperus tvaerminnensis (Luther, 1912) | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Haplogonaria glandulifera Dörjes, 1968 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Haplogonaria glandulifera Dörjes, 1968 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Pseudaphanostoma syltensis (Dörjes, 1968) | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Pseudaphanostoma syltensis (Dörjes, 1968) | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Paraphanostoma trianguliferum Westblad, 1942 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Paraphanostoma trianguliferum Westblad, 1942 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Philachoerus johanni Dörjes, 1968 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Philachoerus johanni Dörjes, 1968 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Philactinoposthia viridorhabditis Dörjes, 1968 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Philactinoposthia viridorhabditis Dörjes, 1968 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Postaphanostoma filum Dörjes, 1968 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Postaphanostoma filum Dörjes, 1968 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Pseudaphanostoma pelophilum Dörjes, 1968 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Pseudaphanostoma pelophilum Dörjes, 1968 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Pseudaphanostoma psammophilum Dörjes, 1968 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Pseudaphanostoma psammophilum Dörjes, 1968 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Pseudmecynostomum bruneum Dörjes, 1968 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Pseudmecynostomum bruneum Dörjes, 1968 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Simplicomorpha gigantorhabditis Dörjes, 1968 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Simplicomorpha gigantorhabditis Dörjes, 1968 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Bradynectes sterreri Rieger, 1971 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Bradynectes sterreri Rieger, 1971 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Haplopharynx rostratus Meixner, 1938 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Haplopharynx rostratus Meixner, 1938 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Microstomum papillosum Graff, 1882 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Microstomum papillosum Graff, 1882 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Microstomum jenseni Riedel, 1932 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Microstomum jenseni Riedel, 1932 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Paromalostomum fusculum Ax, 1952 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Paromalostomum fusculum Ax, 1952 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Paromalostomum notandum Ax, 1951 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Paromalostomum notandum Ax, 1951 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Pseudostomum quadrioculatum (Leuckart, 1847) | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Pseudostomum quadrioculatum (Leuckart, 1847) | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Archimonocelis oostendensis Martens & Schockaert, 1981 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Archimonocelis oostendensis Martens & Schockaert, 1981 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Archotoplana holotricha Ax, 1956 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Archotoplana holotricha Ax, 1956 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Carenscoilia bidentata Sopott, 1972 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Carenscoilia bidentata Sopott, 1972 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Cirrifera aculeata (Ax, 1951) | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Cirrifera aculeata (Ax, 1951) | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Cirrifera cirrifera Sopott, 1972 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Cirrifera cirrifera Sopott, 1972 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Coelogynopora axi Sopott, 1972 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Coelogynopora axi Sopott, 1972 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Coelogynopora solifer Sopott, 1972 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Coelogynopora solifer Sopott, 1972 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Coelogynopora steinboecki Sopott-Ehlers, 1980 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Coelogynopora steinboecki Sopott-Ehlers, 1980 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Dicoelandropora atriopapillata Ax, 1956 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Dicoelandropora atriopapillata Ax, 1956 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Itaspiella armata (Ax, 1951) | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Itaspiella armata (Ax, 1951) | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Kataplana germanica (Meixner in Ax, 1951) | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Kataplana germanica (Meixner in Ax, 1951) | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Kataplana mesopharynx Ax, 1956 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Kataplana mesopharynx Ax, 1956 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Nematoplana coelogynoporoides Meixner, 1938 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Nematoplana coelogynoporoides Meixner, 1938 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Notocaryoplanella glandulosa (Ax, 1951) | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Notocaryoplanella glandulosa (Ax, 1951) | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Otoplanella baltica (Meixner, 1938) | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Otoplanella baltica (Meixner, 1938) | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Otoplanella schulzi (Ax, 1951) | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Otoplanella schulzi (Ax, 1951) | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Otoplanidia endocystis Meixner, 1938 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Otoplanidia endocystis Meixner, 1938 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Parotoplana capitata Meixner, 1938 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Parotoplana capitata Meixner, 1938 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Parotoplana papii Ax, 1956 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Parotoplana papii Ax, 1956 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Parotoplana primitiva Ax, 1956 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Parotoplana primitiva Ax, 1956 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Parotoplanella progermaria Ax, 1956 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. [authors listed as Parotoplana progermaria] | 
| Parotoplanella progermaria Ax, 1956 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. [authors listed as Parotoplana progermaria] | 
| Parotoplanina geminoducta Ax, 1956 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Parotoplanina geminoducta Ax, 1956 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Philosyrtis fennica Ax, 1954 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Philosyrtis fennica Ax, 1954 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Polystyliphora filum Ax, 1958 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Polystyliphora filum Ax, 1958 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Praebursoplana steinboecki Ax, 1956 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Praebursoplana steinboecki Ax, 1956 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Praebursoplana subsalina Ax, 1956 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Praebursoplana subsalina Ax, 1956 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Promonotus marci Ax, 1954 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Promonotus marci Ax, 1954 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Vannuccia umbilica Sopott, 1972 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Vannuccia umbilica Sopott, 1972 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Adenorhynchus balticus Meixner, 1938 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Adenorhynchus balticus Meixner, 1938 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Aulopharynx aestuarius Ehlers, 1972 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Aulopharynx aestuarius Ehlers, 1972 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Ciliopharyngiella constricta Martens & Schockaert, 1981 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Ciliopharyngiella constricta Martens & Schockaert, 1981 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Haloplanella hamulata Ehlers, 1974 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Haloplanella hamulata Ehlers, 1974 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Haloplanella longatuba Ax & Heller, 1970 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Haloplanella longatuba Ax & Heller, 1970 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Listea simplex Ax & Heller, 1970 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Listea simplex Ax & Heller, 1970 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Litucivis serpens Ax & Heller, 1970 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Litucivis serpens Ax & Heller, 1970 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Petaliella spiracauda Ehlers, 1974 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Petaliella spiracauda Ehlers, 1974 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Promesostoma cochleare Karling, 1935 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Promesostoma cochleare Karling, 1935 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Promesostoma marmoratum (Schultze, 1851) | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Promesostoma marmoratum (Schultze, 1851) | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Promesostoma karlingi Ehlers, 1974 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Promesostoma karlingi Ehlers, 1974 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Promesostoma meixneri Ax, 1951 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Promesostoma meixneri Ax, 1951 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Subulagera rubra Martens & Schockaert, 1981 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Subulagera rubra Martens & Schockaert, 1981 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Tensopharynx inermis Ehlers, 1972 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Tensopharynx inermis Ehlers, 1972 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Acrorhynchides robustus (Karling, 1931) | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Acrorhynchides robustus (Karling, 1931) | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Cheliplana boadeni Schilke, 1970 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Cheliplana boadeni Schilke, 1970 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Cheliplana curvocirro Schilke, 1970 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Cheliplana curvocirro Schilke, 1970 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Cicerina remanei Meixner, 1928 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Cicerina remanei Meixner, 1928 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Cystiplana paradoxa Karling, 1964 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Cystiplana paradoxa Karling, 1964 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Diascorhynchides arenaria Schilke, 1970 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Diascorhynchides arenaria Schilke, 1970 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Diascorhynchus rubrus Boaden, 1963 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Diascorhynchus rubrus Boaden, 1963 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Gyratrix hermaphroditus Ehrenberg, 1831 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Gyratrix hermaphroditus Ehrenberg, 1831 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Karkinorhynchides purpureus (Schilke, 1970) | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Karkinorhynchides purpureus (Schilke, 1970) | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Karkinorhynchus primitivus Meixner, 1928 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Karkinorhynchus primitivus Meixner, 1928 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Lehardyia megalopharynx (L'Hardy, 1966) | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Lehardyia megalopharynx (L'Hardy, 1966) | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Marirhynchus longasaeta Schilke, 1970 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Marirhynchus longasaeta Schilke, 1970 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Neopolycystis tridentata Karling, 1955 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Neopolycystis tridentata Karling, 1955 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Neoschizorhynchus brevipharynggus Schilke, 1970 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Neoschizorhynchus brevipharynggus Schilke, 1970 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Neoschizorhynchus longipharynggus Schilke, 1970 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Neoschizorhynchus longipharynggus Schilke, 1970 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Neoschizorhynchus parvorostro Ax & Heller, 1970 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Neoschizorhynchus parvorostro Ax & Heller, 1970 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Paracicerina laboeica Meixner, 1928 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Paracicerina laboeica Meixner, 1928 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Proschizorhynchella bivaginata (Schilke, 1970) | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Proschizorhynchella bivaginata (Schilke, 1970) | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Proschizorhynchella helgolandica (L'Hardy, 1965) | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Proschizorhynchella helgolandica (L'Hardy, 1965) | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Proschizorhynchella spiracirro (Schilke, 1970) | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Proschizorhynchella spiracirro (Schilke, 1970) | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Proschizorhynchus triductibus Schilke, 1970 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Proschizorhynchus triductibus Schilke, 1970 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Psammorhynchus tubulipenis Meixner, 1938 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Psammorhynchus tubulipenis Meixner, 1938 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Scanorhynchus forcipatus Karling, 1955 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Scanorhynchus forcipatus Karling, 1955 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Schizochilus choriurus Boaden, 1963 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Schizochilus choriurus Boaden, 1963 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Schizorhynchoides canaliculatus L'Hardy, 1963 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Schizorhynchoides canaliculatus L'Hardy, 1963 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Schizorhynchoides macrostylus L'Hardy, 1963 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Schizorhynchoides macrostylus L'Hardy, 1963 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Schizorhynchoides karlingi Martens & Schockaert, 1981 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Schizorhynchoides karlingi Martens & Schockaert, 1981 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Thylacorhynchus caudatus Meixner, 1928 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Thylacorhynchus caudatus Meixner, 1928 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Thylacorhynchus conglobatus Meixner, 1928 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Thylacorhynchus conglobatus Meixner, 1928 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Thylacorhynchus pyriferus Karling, 1950 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Thylacorhynchus pyriferus Karling, 1950 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Provortex tubiferus Luther, 1948 | Apr-Sep 1982 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. | 
| Provortex tubiferus Luther, 1948 | Apr-Sep 1983 | 10-20 m | medium-coarse sand | sublittoral sample, north of the island of Sylt, between Römö and Sylt. |