| Stenostomum karlingi Luther, 1960 | [with synonyms] | w | other taxonomic work | |
| Pseudograffilla arenicola Meixner, 1938 | | w | latest taxonomic authority | |
| Lurus evelinae Marcus, 1950 | | w | other taxonomic work | |
| Haplovejdovskya subterranea Ax, 1954 | | w | other taxonomic work | |
| Baicalellia subsalina Ax, 1954 | | w | other taxonomic work | |
| Hangethellia calceifera Karling, 1940 | | w | other taxonomic work | |
| Provortex tubiferus Luther, 1948 | | w | other taxonomic work | |
| Vejdovskya simrisiensis Karling, 1957 | | w | other taxonomic work | |
| Uncinorhynchus flavidus Karling, 1947 | [with synonyms] | w | other taxonomic work | |
| Clyporhynchus monolentis Karling, 1947 | | w | latest taxonomic authority | |
| Eukalyptorhynchia Psammorhynchidae Karling, 1956 | | w | latest taxonomic authority | |
| Diascorhynchus lappvikensis Karling, 1963 | | w | latest taxonomic authority | |
| Diascorhynchus serpens Karling, 1949 | | w | latest taxonomic authority | |
| Proschizorhynchus tricingulatus Ax, 1959 | [with synonyms] | w | other taxonomic work | |
| Thylacorhynchus arcassonensis de Beauchamp, 1927 | | w | other taxonomic work | |
| Thylacorhynchus filostylis Karling, 1956 | | w | other taxonomic work | |
| Thylacorhynchus pyriferus Karling, 1950 | | w | other taxonomic work | |
| Coronhelmis lutheri Ax, 1951 | | w | latest taxonomic authority | |
| Coronhelmis multispinosus Luther, 1948 | | w | latest taxonomic authority | |
| Promesostoma balticum Luther, 1918 | | w | other taxonomic work | |
| Promesostoma cochleare Karling, 1935 | | w | other taxonomic work | |
| Beklemischeviella angustior Luther, 1943 | | w | other taxonomic work | |
| Phaenocora subsalina Luther, 1921 | | w | other taxonomic work | |
| Hoplopera littoralis Karling, 1957 | | w | other taxonomic work | |
| Haloplanella curvistyla Luther, 1946 | | w | other taxonomic work | |
| Haloplanella minuta Luther, 1946 | | w | other taxonomic work | |
| Haloplanella obtusituba Luther, 1946 | | w | other taxonomic work | |
| Thalassoplanella collaris Luther, 1946 | | w | other taxonomic work | |
| Neoophora Lecithoepitheliata Reisinger, 1924 | | w | latest taxonomic authority | |
| Prorhynchida Prorhynchidae Hallez, 1894 | | w | latest taxonomic authority | |
| Macrostomum tenuicauda Luther, 1947 | | w | other taxonomic work | |
| Coelogynopora bresslaui Steinböck, 1924 | | w | other taxonomic work | |
| Pseudomonocelis agilis (Schultze, 1851) | [with synonyms] | w | latest taxonomic authority | |
| Monocelis agilis Schultze, 1851 | | w | latest taxonomic authority | |
| Otoplana subterranea Ax, 1951 | | w | latest taxonomic authority | |
| Pseudosyrtis subterranea (Ax, 1951) | [with synonyms] | w | other taxonomic work | |
| Ptychopera avicularis Karling, 1974 | | w | primary taxonomic authority (describer) | |
| Macrostomorpha Haplopharyngida Karling, 1974 | | w | primary taxonomic authority (describer) | |
| Psammomacrostomum turbanelloides Karling, 1974 | | w | primary taxonomic authority (describer) | |
| Nemertoderma sp. Westblad, 1937 | | - | other taxonomic work | |
| Amplimatricata Prorhynchida Karling, 1974 | | w | primary taxonomic authority (describer) | |
| Trepaxonemata Gnosonesimida Karling, 1974 | | w | primary taxonomic authority (describer) | |