| Actinoposthia biaculeata Faubel, 1974 | 1972-1975 |  |  | semi-exposed beach slope, clean flat sand | 
| Mecynostomum predatum Faubel, 1976 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Pseudaphanostoma psammophilum Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean flat sand | 
| Atriofronta polyvacuola Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Convoluella brunea Faubel, 1974 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Haplogonaria simplex Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Philomecynostomum lapillum Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Aphanostoma album Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Pseudaphanostoma pelophilum Dörjes, 1968 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Myozona stylifera Ax, 1956 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Paromalostomum fusculum Ax, 1952 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Macrostomum pusillum Ax, 1951 | 1972-1975 |  |  | semi-exposed beach slope, clean sand flat | 
| Neopolycystis tridentata Karling, 1955 | summer 1954 |  |  | diverse locations | 
| Promonotus marci Ax, 1954 | Jul 1952 |  | coarse sand | north end of island, 200 m seaward of the high tide line. | 
| Psammorhynchus tubulipenis Meixner, 1938 | 1956 or earlier |  |  | (Ax). | 
| Ptychopera westbladi (Luther, 1943) Den Hartog, 1964 | Aug 1951 |  | sand, Kniepsand | bank of brackish water pool, Cyanophyceen-Sand. | 
| Proxenetes (Perixenetes) karlingi Luther, 1943 | Aug 1951 |  | sand | Cyanophyceen-sand on bank of brackish water pool, "Kniepsand". | 
| Paromalostomum fusculum Ax, 1952 | summer 1951 | eulittoral | fine and medium sand | west of Amrum.  Sand bank. | 
| Paromalostomum dubium (de Beauchamp, 1927) | 1955 or earlier | littoral | coarse sand |  | 
| Macrostomum balticum Luther, 1947 | prior to 1951 |  |  |  | 
| Macrostomum curvituba Luther, 1947 | 1957 or earlier |  |  | Amrum. (Ax) | 
| Haloplanella longatuba Ax & Heller, 1970 | Jul 1951 |  | sand | west bank, near the ground water line of the 'Kniepsandes'.  leg. P. Ax. | 
| Provortex balticus (Schultze, 1851) | 1936 or earlier |  |  |  | 
| Vejdovskya ignava Ax, 1951 | 1951 or earlier |  |  |  | 
| Danorhynchus duplostylis Karling, 1955 | prior to 1955 |  | fine sand | Amrum, feinsandiger Prallhang (Ax). | 
| Cheliplana marcusi (Karling, 1956) | Jun 1952 |  | sand | lotic sandy beach. | 
| Myozona stylifera Ax, 1956 | Jul 29, 1951 |  | fine to medium sand | Reiner Mittel- bis Feinsand am Pralhang (Quellhorizont) des Kniepsandes. | 
| Myozona stylifera Ax, 1956 | Jul 31, 1952 |  | fine to medium sand | Reiner Mittel- bis Feinsand am Pralhang (Quellhorizont) des Kniepsandes. | 
| Myozona stylifera Ax, 1956 | Jul 31, 1952 |  | fine to coarse sand | Fein- und Grobsand gemischt, am Nordende der Insel, etwa 200 m vom Ufer entfernt im Bereich des Eulitorals (Bathyporeia-Haustorius-Zone). | 
| Thalassoplanella collaris Luther, 1946 | 1959 or earlier |  |  | Nordsee, Amrum (Ax 1959). | 
| Messoplana falcata falcata (Ax, 1953) | 1974 or earlier |  |  | Nordsee (Sylt, Amrum), Kieler Bucht (Schilksee, Bülk), Mittelmeer (Sizilien), Marmara Meer (Florya, Prinzeninsel Heybeli), Schwarzes Meer (Sile). | 
| Placorhynchus octaculeatus octaculeatus Karling, 1931 | 1970 or earlier |  |  | Amrum.  Sanstrände und Sandwatt. | 
| Proschizorhynchus gullmarensis Karling, 1950 | 1970 or earlier |  |  | ...ist an der Nordsee (Sylt, Amrum) und in der westlichen Ostsee (Kieler Bucht) ein spezifischer Bewohner von Grobsand-Kies an lotischen Sandstränden. | 
| Thylacorhynchus arcassonensis de Beauchamp, 1927 | 1970 or earlier |  |  | ...zu den nordfriesischen Inseln Amrum | 
| Cheliplana stylifera Karling, 1949 | 1970 or earlier |  |  | Amrum, Rømø.  Lotische Ufer am Weststrand. | 
| Provortex tubiferus Luther, 1948 | 1938  or earlier |  |  | Nordsee, Amrum, Meixner (Brief an Karling) | 
| Bresslauilla relicta Reisinger, 1929 | 1952 or earlier |  |  | Schleswig-holsteinische Nordseeküste, auf Amrum und am Westerhever-Sand im Feinsand und Sandwatt bei ca. 30 º/oo Salzgehalt. | 
| Archimonotresis limophila Meixner, 1938 | 1951 or earlier |  |  | Nordsee:  Amrum, Strandtümpel, S = 22 º/ºº. | 
| Acrorhynchides robustus (Karling, 1931) | 1966-1968 |  |  | Eulitoral. | 
| Cicerina brevicirrus Meixner, 1928 | 1938 or earlier |  |  | Amrum-Sylt:  Farbstreifensandwatt | 
| Cicerina brevicirrus Meixner, 1928 | 1952 or earlier |  |  |  | 
| Placorhynchus octaculeatus octaculeatus Karling, 1931 | 1938 or earlier |  |  | Farbstreifensandwatt. | 
| Thylacorhynchus arcassonensis de Beauchamp, 1927 | 1966-1968 |  |  | Kniepsand. |