| Archaphanostoma agile (Jensen, 1878) | Apr, May 1963 | | mud | |
| Maehrenthalia intermedia (Graff, 1882) | 1897 or earlier | | | |
| Byrsophlebs graffi Jensen, 1878 | 1913 or earlier | | | beach water. |
| Hyporcus venenosus (Uljanin, 1870) | 1913 or earlier | | | |
| Trigonostomum armatum (Jensen, 1878) | 1913 or earlier | 0-27 m | | found in Fucus at depths up to 27 m. |
| Trigonostomum intermedium (Attems, 1896) | 1896 or earlier | | | |
| Acrorhynchus heinckei Attems, 1897 | 1896 or earlier | | | Grösse eines kleinen Acrorhynchus caledonicus. Recht schlank, jedenfalls schlanker als Acr caledonicus, vorn zugespitzt, hinten ein wenig verschmälert, abgerundet; farblos, weiss. |
| Acrorhynchus caledonicus (Claperede, 1861) | 1913 or earlier | 1-3 m | | in ebb tide pools, and litoral zone in large numbers. |
| Phonorhynchus helgolandicus (Metschnikow, 1865) | 1913 or earlier | | | |
| Gyratrix attemsi Graff, 1896 | 1896 or earlier | | | Graff 1896. |
| Plagiostomum dioicum (Mecznikow, 1865) | 1913 or earlier | | | |