| Aphanostoma album Dörjes, 1968 | Sep 1963 | 16 m | mud, sand sediments in Mytilus colony | |
| Paromalostomum fusculum Ax, 1952 | summer 1951 | eulittoral | coarse and pebbly sand | south of the Ellenbogens. Undercut of bank sand flats. |
| Pratoplana galeata Ehlers, 1974 | Mar 1971 | | sand | south side, middle sand beach. Numerous. |
| Pratoplana galeata Ehlers, 1974 | Sep 1973 | | sand | south side, middle sand beach. Numerous. |
| Proceropharynx anophthalmus (Meixner, 1929) | Mar 1971 | | sand | South side Ellenbogen. Detritus rich sand flat. |
| Adenopharynx mitrabursalis Ehlers, 1972 | Sep 1970 | | sand | south side. sand beach, Zostera. 2 specimens. |
| Microstomum spiculifer Faubel, 1974 | Oct 1973 | | sand | lower sandy beach slope, south side. Some animals. |
| Protandrella cirrifera Ehlers, Mueller & Franke, 1994 | Jul 1975 | | | South side of "Ellenbogen". Lower intertidal beach slope. 2 specimens. |
| Archilopsis unipunctata (Fabricius, 1826) | Mar 1971 | | | Ellenbogen-Südseite. Detritushaltiges Sandwatt. Mehrere Exemplare. |
| Coelogynopora tenuis Meixner, 1938 | Mar 1969 | | | Ellenbogen-Nordseite. 3 Exemplare. |
| Dicoelandropora atriopapillata Ax, 1956 | Mar 1969 | | | Ellenbogen-Nordseite. |
| Notocaryoplanella glandulosa (Ax, 1951) | Mar 1969 | | | Ellenbogen. Nordseite. Mehrere Exemplare. |
| Parotoplana capitata Meixner, 1938 | Mar 1969 | | | Ellenbogen-Nordseite. Einige Tiere. |
| Parotoplanina geminoducta Ax, 1956 | Mar 1969 | | | Ellenbogen-Nordseite. Im Sandhang. Einige Individuen. |
| Nematoplana coelogynoporoides Meixner, 1938 | Mar 1969 | | | Ellenbogen-Nordseite. Mehrere Exemplare. |
| Cystiplana paradoxa Karling, 1964 | 1964 or earlier | | | Nordsee, Sylt, Ellenbogen, im Prallhang |