| Polycystis groenlandica Levinsen, 1879 | Jun 16, 1964 | 25 m | coarse shell | Bergen Biol. Station. Ref. No. 280-64. |
| Polycystis contorta Schockaert & Karling, 1975 | Jun 16, 1964 | 25 m | shell, gravel | Bergen Biol. Stat. Ref. No. 280-64. |
| Triloborhynchus astropectinis Bashiruddin & Karling, 1970 | 1970 or earlier | 25 m | shell sand | found in Astropecten irregularis. Korsfjorden off Bergen, Isle of Tekslo, (Biol. Stat. Ref. Nr. 247-68). |
| Gnosonesima brattstroemi Karling, 1968 | Jun 16, 1964 | 25 m | coarse shell gravel | Norway, Isle of Tekslo. (Biol. Stat. Ref. No. 280-64). |
| Promesostoma norvegicum Karling, 1967 | Jun 16, 1964 | 25 m | coarse shell sand | (Biol. Stat. Ref Nr. 280-64 |
| Promesostoma norvegicum Karling, 1967 | Aug 1965 | 25 m | coarse shell sand | (Biol. Stat. Ref Nr. 280-64 |
| Promesostoma spiriferum Karling, 1967 | Aug 5, 1965 | 25 m | coarse shell sand | (Biol. Stat. Ref Nr. 331-65 |