| Aphanostoma rhomboides Jensen, 1878 | 1946 or earlier | intertidal zone to 20 m deep | deep shifting sands and sandy clay | |
| Childia groenlandica (Levinsen, 1879) | Jul-Aug 2003 | 30-60 m | mud | |
| Plagiostomum nostrum Westblad, 1956 | Aug 4, 1938 | 40 m | | 4 specimens |
| Polyposthia similis Bergendal, 1893 | prior to 1893 | sublittoral | mud | |
| Discocelides langi Bergendal, 1893 | prior to 1893 | | | |
| Mecynostomum auritum (Schultze, 1851) | prior to 1975 | shallow | sand, mud | |
| Phonorhynchella biarcuata Karling, 1956 | 1956 or earlier | 35 m | clay | |
| Psammopolycystis bredungensis Karling, 1956 | 1956 or earlier | 35 m | clay | Kristineberg, near Bredungen, St. Bornö and Gasörännan in Lehmboden (loamy clay). |
| Typhlopolycystis coeca Karling, 1956 | 1956 or earlier | 35 m | clay (Lehmboden) | Kristineberg, near Bredungen. |
| Pseudostomum arenarium Meixner, 1938 | Aug 8, 1939 | 30-35 m | Zostera-Amphiura | |
| Pseudostomum arenarium Meixner, 1938 | Aug 13, 1947 | 8 m | diatom bottom | |
| Gonostomula anocelis Westblad, 1955 | Jul 24, 1940 | 30 m | | 1 specimen |
| Gonostomula anocelis Westblad, 1955 | Aug 7, 1945 | 40 m | | 4 specimens |
| Mecynostomum minimum (Westblad, 1946) | 1951 | | | |
| Proxenetes simplex Luther, 1948 | prior to 1948 | | mud, loam | |
| Childia vivipara Tekle, Raikova & Jondelius 2006 | 2003-2005? | 30-60 m | mud | collected by dredge |
| Ulianinia mollissima Levinsen, 1879 | 1963 or earlier | | | Karling notes distribution of the species. Gullmaren (Bredungen). |
| Microstomum jenseni Riedel, 1932 | 1953 or earlier | | | |
| Utelga chelifera (Karling, 1954) | Aug 7, 1945 | | | |
| Boreocelis filicauda Westblad, 1952 | 1935-1949 | 15-20 m | | Swedish west coast, namely Gullmar Fjord, where it proved to be not uncommon on mud bottom (Dalsvik, Essvik, off Blåbergsholmen etc.). |
| Einarella argillophila Luther, 1948 | Aug 7, 1945 | 40 m | clay | Zoologischen Station Kristineberg, Gullmaren: St. Bornö-Bredungen, Stat. 4, cca 40 m tief, Tonboden |
| Maehrenthalia coeca Luther, 1948 | Aug 7, 1945 | 30 - 35 m | clay | Die mir vorliegen Exemplare, wie auch WESTBLADs Skizzen, stammen von der zoologischen Station Kristineberg, Gullmarsfjorden, Bredungen (Statt 4.) |
| Odontorhynchus aculeatus Karling, 1956 | | 35m | loam with Funiculina | |