| Kambanella | agilis | Steinböck, 1931 | |
| Stylochus | alexandrinus | Steinböck, 1937 | |
| Stylochus | alexandrinus | Steinbock, 1937 | |
| Plagiostomidae | Alloeopharynx | Steinböck, 1932 | |
| Plagiostomidae | Allopharynx | Steinböck, 1932 | |
| Prorhynchus | alpinus | Steinböck, 1924 | |
| Castrada | stagnorum | angustibursa | Steinböck & Lanser, 1932 |
| Notocaryoplana | arctica | Steinböck, 1935 | |
| Aphanostoma | armatum | Steinböck & Lanser, 1932 | |
| (Castradella) | baldii | (Steinböck, 1949) | |
| Fulinskiella | bardeaui | (Steinböck, 1926) | |
| Dalyellia | bardeaui | Steinböck, 1926 | |
| (Castrella) | bardeaui | (Steinbock, 1926) | |
| Nemertoderma | bathycola | Steinböck, 1930 | |
| Convoluta | bathycola | Steinböck & Lanser, 1932 | |
| Polysolenoposthia | bathycola | Steinböck & Lanser, 1932 | |
| Peraclistus | bathycolus | Fügenschuh (Steinbock, 1932) | |
| Hofstenia | beltagii | Steinböck, 1966 | |
| Microdalyellia | benacensis | (Steinböck, 1932) | |
| Dalyellia | benacensis | Steinböck, 1932 | |
| Coelogynopora | biarmata | Steinböck, 1924 | |
| Aphanostoma | bimaculata | Steinböck & Lanser, 1932 | |
| Otoplana | borealis | Steinböck, 1931 | |
| (Castrada) | borealis | Steinböck, 1931 | |
| Orthoplana | borealis | (Steinböck, 1931) | |
| Childia | groenlandica | borealis | Steinböck, 1932 |
| Coelogynopora | bresslaui | Steinböck, 1924 | |
| Promonotus | brevirostris | Fügenschuh (Steinbock, 1932) | |
| Gieysztoria | capreola | (Steinböck, 1948) | |
| Dalyellia | capreola | Steinböck, 1948 | |
| Coleophora | chionoecetis | Fügenschuh (Steinbock, 1932) | |
| Aphanostoma | chromocephalum | Steinböck, 1933 | |
| Planoceridae | Cirroposthia | Steinbock, 1937 | |
| Diporoplana | cnidophora | Kohler (Steinbock, 1932) | |
| Coelogynoporidae | Coelogynopora | Steinböck, 1924 | |
| incertae sedis | Coleophora | Steinbock, 1932 | |
| Tetraposthia | colymbetes | Steinböck, 1931 | |
| Tetraposthia | colymbetes | Steinbock, 1931 | |
| Microstomum | diplolethicum | Steinböck, 1931 | |
| Convoluta | diploposthia | Steinböck, 1931 | |
| Anaperus | diploposthia | (Steinböck, 1931) | |
| incertae sedis | Diporoplana | Steinbock, 1932 | |
| (Castrada) | ejde | Steinböck, 1931 | |
| Microdalyellia | erythrocephala | (Steinböck, 1949) | |
| Dalyellia | erythrocephala | Steinböck, 1949 | |
| Proschizorhynchus | faeroeensis | Steinböck, 1931 | |
| Proschizorhynchella | faeroeensis | (Steinbock, 1931) | |
| Coelogynopora | fontinalis | Steinbock & Reisinger, 1931 | |
| Diporoplana | fulgipenis | Kohler (Steinbock, 1932) | |
| Hofstenia | giselae | Steinböck, 1966 | |
| (Castrada) | groenlandica | Steinböck & Lanser, 1932 | |
| Protomacrostomum | groenlandicum | Steinböck, 1935 | |
| Omalostomum | groenlandicum | (Steinböck, 1935) | |
| Promonotus | groenlandicus | Fügenschuh (Steinbock, 1932) | |
| Coelogynopora | gynocotyla | Steinböck, 1924 | |
| Prorhynchus | hastatus | Steinböck, 1924 | |
| Prorhynchus | haswelli | Steinböck & Reisinger, 1924 | |
| Hofstenioplesia | haswelli | (Steinböck & Reisinger, 1924) | |
| Prorhynchidae | Hofstenioplesia | Steinböck & Reisinger, 1924 | |
| Monocelis | honorei | Fügenschuh (Steinbock, 1932) | |
| (Castrada) | jenseni | Steinböck & Lanser, 1932 | |
| Typhloplaninae | Kambanella | Steinböck, 1931 | |
| incertae sedis | Lamelliposthia | Steinbock, 1932 | |
| Coleophora | levinseni | Fügenschuh (Steinbock, 1932) | |
| Proseriata | Lithophora | Steinbock, 1925 | |
| (Castrada) | longibursa | Steinböck & Lanser, 1932 | |
| Promonotus | longirostris | Fügenschuh (Steinbock, 1932) | |
| Convoluta | macroposthia | Steinböck, 1931 | |
| Paraphanostoma | macroposthium | (Steinböck, 1931) | |
| Childia | macroposthium | (Steinböck, 1931) | |
| Otoplana | maculata | Steinböck, 1931 | |
| Alloeopharynx | makropharynx | Steinböck, 1932 | |
| Hofsteniidae | Marcusiola | Steinböck, 1966 | |
| Microstomum | melanophthalmum | Steinböck, 1933 | |
| Aphanostoma | minima | Steinböck, 1938 | |
| Allostoma | monophthalmum | Steinböck, 1933 | |
| Nemertodermatidae | Nemertoderma | Steinböck, 1930 | |
| Nemertodermatida | Nemertodermatidae | Steinböck, 1930 | |
| Otoplaninae | Notocaryoplana | Steinböck, 1935 | |
| Gieysztoria | oligocentra | (Steinböck, 1948) | |
| Dalyellia | oligocentra | Steinböck, 1948 | |
| (Castrada) | ophiocephala | Steinböck, 1931 | |
| Macrostomum | ophiocephalum | Steinböck, 1931 | |
| Otoplaninae | Orthoplana | Steinböck, 1932 | |
| Dalyellia | pachyderma | Steinböck, 1931 | |
| Minoninae | Peraclistus | Steinböck, 1932 | |
| incertae sedis | Polysolenoposthia | Steinbock, 1932 | |
| Prorhynchus | ponticus | Steinböck, 1927 | |
| Orthoplana | porsildi | Kohler (Steinbock, 1932) | |
| Polysolenoposthia | porsildi | Steinböck & Lanser, 1932 | |
| Peraclistus | prostenopharynx | Fügenschuh (Steinbock, 1932) | |
| Macrostomidae | Protomacrostomum | Steinböck, 1935 | |
| (Castrada) | quadrioculata | Steinböck, 1931 | |
| Plagiostomum | rovignense | (Steinbock, 1933) | |
| Acmostomum | rovignense | Steinböck, 1933 | |
| Lamelliposthia | rubromaculata | Steinböck & Lanser, 1932 | |
| Lamelliposthia | rubropunctata | Steinbock, 1932 | |
| Proxenetes | sellai | Steinböck, 1933 | |
| Ceratopera | sellai | (Steinböck, 1933) | |
| Procerodes | lobatus | solowetzkianus | (Sabussow) Steinbock, 1931 |
| Coelogynopora | sp. | Steinbock, 1931 | |
| Euxinia | sp. | Steinbock, 1931 | |
| Otoplana | sp. | Steinbock, 1931 | |
| (Castrada) | sp. | Steinböck, 1933 | |
| Proschizorhynchus | sp. | Steinbock, 1935 | |
| Macrostomum | sp. | Steinbock, 1931 | |
| Amphiscolops | sp. | Steinbock, 1938 | |
| Microstomum | sp. | Steinböck, 1948 | |
| Dalyelliidae | sp. | Steinbock, 1948 | |
| Typhloplanidarum | species | Steinböck, 1948 | |
| Dalyellia | sphyrocephala | Steinböck, 1931 | |
| Fulinskiella | sphyrocephala | (Steinböck, 1931) | |
| Neoplanocera | steueri | (Steinböck, 1937) | |
| Cirroposthia | steueri | Steinbock, 1937 | |
| Rogneda | steueri | (Steinböck, 1933) | |
| Neoplanocera | steueri | (Steinbock, 1937) | |
| Polycystis | steueri | Steinböck, 1933 | |
| Polycystis | taeniophoris | (Steinböck, 1933) | |
| Koinocystis | taeniophoris | Steinböck, 1933 | |
| Acmostomum | tergestinum | Steinböck, 1933 | |
| Childiidae | Tetraposthia | Steinböck, 1931 | |
| Microstomum | tortipenis | Steinböck, 1938 | |
| incertae sedis | Typhloplanidarum | Steinbock, 1948 | |
| Proaphanostoma | variabile | Steinböck & Lanser, 1932 |
124 names, including those in new combination. (Max listing set to 900)