| Plagiostomidae Acmostomum Schmarda, 1859 | [with synonyms] | w | other taxonomic work | |
| Plagiostomum megalopharynx Brandtner, 1934 | | w | latest taxonomic authority | |
| Dalyellia opaca Sibiriakova, 1929 | | w | latest taxonomic authority | |
| Dalyellia quadridensoides (Fuhrmann, 1914) | | w | latest taxonomic authority | |
| Microdalyellia okugawai Ruebush & Hayes, 1939 | | w | latest taxonomic authority | |
| Baicalellia albicauda Nasonov, 1930 | | w | latest taxonomic authority | |
| Baicalellia maculata Nasonov, 1930 | | w | latest taxonomic authority | |
| Baicalellia maculata coerulea Nasonov, 1930 | | w | latest taxonomic authority | |
| Baicalellia maculata nigra Nasonov, 1930 | | w | latest taxonomic authority | |
| Baicalellia nigrofasciata Nasonov, 1930 | | w | latest taxonomic authority | |
| Baicalellia ocellata Nasonov, 1930 | | w | latest taxonomic authority | |
| Baicalellia opaca (Sibiriakova, 1929) | [with synonyms] | w | latest taxonomic authority | 240 |
| Baicalellia pellucida Nasonov, 1930 | | w | latest taxonomic authority | |
| Baicalellia posieti Nasonov, 1930 | | w | other taxonomic work | |
| Bothromesostoma primitivum Sabussowa, 1929 | | w | latest taxonomic authority | |
| Bothromesostoma truncatum Beklemischev, 1921 | | w | other taxonomic work | |
| Mesostoma primitivum (Sabussowa, 1929) | [with synonyms] | w | other taxonomic work | |
| Olisthanella albiensis Sekera, 1912 | | w | latest taxonomic authority | |
| Olisthanella brinkmanni Sekera, 1912 | | w | latest taxonomic authority | |
| Olisthanella caeca Sibiriakova, 1929 | | w | latest taxonomic authority | |
| Olisthanella elegans Nasonov, 1919 | | w | latest taxonomic authority | |
| Olisthanella hungarica Gelei, 1904 | | w | latest taxonomic authority | |
| Olisthanella isaevi Nasonov, 1924 | | w | latest taxonomic authority | |
| Olisthanella multispina Beklemischev, 1924 | | w | latest taxonomic authority | |
| Olisthanella opaca Nasonov, 1924 | | w | latest taxonomic authority | |
| Olisthanella opistomiformis Nasonov, 1924 | [with synonyms] | w | other taxonomic work | 83-96, 167 |
| Olisthanella otophthalma (Plotnikow, 1906) | | w | latest taxonomic authority | |
| Olisthanella otophthalma tricuspidata Beklemischev, 1922 | | w | latest taxonomic authority | |
| Olisthanella tricirrata Sibiriakova, 1929 | | w | latest taxonomic authority | |
| Olisthanella truncula fusikorum Nasonov, 1929 | | w | latest taxonomic authority | |
| Olisthanella truncula lucida Nasonov, 1926 | | w | latest taxonomic authority | |
| Olisthanella virginiana glandulosa Ruebush, 1935 | | w | latest taxonomic authority | |
| Olisthanella virginiana virginiana Ruebush, 1935 | | w | latest taxonomic authority | |
| Olisthanellinae Sphagnella Sekera, 1912 | | w | latest taxonomic authority | |
| Sphagnella lutheri Sekera, 1912 | | w | latest taxonomic authority | |
| Olisthanellinae Taborella Sekera, 1912 | | w | latest taxonomic authority | |
| Phaenocora achaeorum Nasonov, 1919 | | w | other taxonomic work | 72, 81, 166 |
| Phaenocora agassizi Graff, 1911 | | w | other taxonomic work | 91 |
| Phaenocora alticola Ruebush, 1939 | | w | other taxonomic work | 71-72, 80, 82, 166 |
| Phaenocora anomalocoela (Haswell, 1905) | [with synonyms] | w | other taxonomic work | 72, 81-82, 166 |
| Phaenocora beauchampi Sekera, 1930 | | w | other taxonomic work | 72 |
| Phaenocora chappuisi de Beauchamp, 1936 | | w | other taxonomic work | 72, 166 |
| Phaenocora falciodenticulata Gilbert, 1938 | | w | other taxonomic work | 70, 72 |
| Phaenocora foliacea Bohmig, 1914 | [with synonyms] | w | other taxonomic work | 72, 81-82, 166 |
| Phaenocora jucunda Cognetti de Martiis, 1914 | | w | other taxonomic work | 66-67, 70-71, 78 |
| Phaenocora lutheri Gilbert, 1937 | | w | other taxonomic work | 69, 70, 72, 75 |
| Phaenocora salinarum subsalsa Beklemischev, 1927 | | w | other taxonomic work | |
| Phaenocora vjatkensis Nasonov, 1919 | | w | latest taxonomic authority | |
| Pseudophaenocora sulfophila Gilbert, 1938 | [with synonyms] | w | latest taxonomic authority | |
| Krumbachia exigua (Dorner, 1902) | | w | latest taxonomic authority | 83 |
| Krumbachia hungarica (Gelei, 1904) | [with synonyms] | w | latest taxonomic authority | |
| Krumbachia virginiana glandulosa (Ruebush, 1935) | [with synonyms] | w | latest taxonomic authority | |
| Krumbachia virginiana virginiana (Ruebush, 1935) | [with synonyms] | w | latest taxonomic authority | |
| Castrada (Castrada) lutheri Kepner, Stirewalt & Ferguson, 1939 | | w | latest taxonomic authority | |
| Castrada (Castradella) granea andreja (Nasonov, 1919) | | w | other taxonomic work | 81 |
| Kambanella agilis Steinböck, 1931 | | w | latest taxonomic authority | |
| Strongylostoma levandovskii Nasonov, 1924 | | w | latest taxonomic authority | |
| Strongylostoma rosaceum Higley, 1918 | | w | latest taxonomic authority | |
| Plagiostomum evelinae Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Gieysztoria (Marcusiella) thymara (Marcus, 1946) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Gieysztoria acariaia Marcus, 1946 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Gieysztoria bellis Marcus, 1946 | [with synonyms] | w | primary taxonomic authority (describer) | 57-60, 163, f. 69-71, 74-76 |
| Gieysztoria cypris Marcus, 1946 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Gieysztoria evelinae Marcus, 1946 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Gieysztoria hymanae Marcus, 1946 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Gieysztoria intricata Marcus, 1946 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Gieysztoria therapaina Marcus, 1946 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Gieysztoria tridesma Marcus, 1946 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Gieysztoria trisolena Marcus, 1946 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Gieysztoria uncia Marcus, 1946 | [with synonyms] | w | primary taxonomic authority (describer) | 48-49, 162, f. 49, 53, An. |
| Microdalyellia (Gieysztoria) acariaia Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Microdalyellia (Gieysztoria) bellis Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Microdalyellia (Gieysztoria) cypris Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Microdalyellia (Gieysztoria) evelinae Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Microdalyellia (Gieysztoria) hymanae Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Microdalyellia (Gieysztoria) intricata Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Microdalyellia sawayai Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Microdalyellia (Gieysztoria) therapaina Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Microdalyellia (Gieysztoria) thymara Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Microdalyellia (Gieysztoria) tridesma Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Microdalyellia (Gieysztoria) trisolena Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Microdalyellia (Gieysztoria) uncia Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Baicalellia evelinae Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Bothromesostoma evelinae Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Olisthanella parva Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Phaenocora bresslaui Marcus, 1946 | | w | primary taxonomic authority (describer) | 66-76, 78, 80-82, 164-166 |
| Phaenocora chloroxantha Marcus, 1946 | [with synonyms] | w | primary taxonomic authority (describer) | 71, 74, 77-81, 82, 165-166 |
| Phaenocora evelinae Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Strongylostoma dicorymbum Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Macrostomum delphax Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Macrostomum evelinae Marcus, 1946 | | w | primary taxonomic authority (describer) | 18, table 3, figs. 10-13 |
| Macrostomum viride (3) Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Archimonocelididae Meidiama Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Meidiama lutheri Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Minoninae Minona Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Minona evelinae Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Dimarcusidae Rhodax Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Rhodax evelinae Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Dugesiidae Bopsula Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Bopsula evelinae Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Cura schubarti (Marcus, 1946) | | w | primary taxonomic authority (describer) | |
| Curtisia schubarti Marcus, 1946 | | w | primary taxonomic authority (describer) | 142 |
| Dugesia arndti Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Dugesia nonatoi Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Dugesia schubarti (Marcus, 1946) | | w | primary taxonomic authority (describer) | |
| Girardia arndti Marcus, 1946 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Girardia nonatoi Marcus, 1946 | | w | primary taxonomic authority (describer) | |
| Girardia schubarti (Marcus, 1946) | [with synonyms] | w | primary taxonomic authority (describer) | 142 |
| Gieysztoria (Marcusiella) okugawai (Ruebush & Hayes, 1939) | [with synonyms] | w | other taxonomic work | 36 |
| Neppia schubarti (Marcus, 1946) | | w | primary taxonomic authority (describer) | 142 |
| Planaria ambigua Böhmig, 1902 | [with synonyms] | w | other taxonomic work | 143 |
| Strongylostoma elongatum elongatum Hofsten N, 1907 | [with synonyms] | w | other taxonomic work | 62, 164, Synonymie |
| Olisthanella truncula (Schmidt, 1858) | [with synonyms] | w | other taxonomic work | 83 |
| Gieysztoria rubra (Fuhrmann, 1894) | [with synonyms] | w | other taxonomic work | 56-57, 163 |
| Phaenocora adenticulata Gilbert, 1938 | | w | other taxonomic work | 72 |
| Phaenocora clavigera Hofsten N, 1907 | [with synonyms] | w | other taxonomic work | 72, 81, 166 |
| Phaenocora cucurbitina Beklemischev, 1919 | | w | other research on this sp. | 72 |
| Phaenocora gracilis (Vejdovsky, 1895) | [with synonyms] | w | other taxonomic work | 71-72, 80-82, 164, 166 |
| Phaenocora highlandense Gilbert, 1935 | | w | other research on this sp. | 71, 82, 166 |
| Phaenocora polycirra (Beklemischev, 1929) | [with synonyms] | w | other research on this sp. | 70, 72, 75, 164 |
| Phaenocora megalops (Duges, 1830) | [with synonyms] | w | other research on this sp. | 70 |
| Phaenocora rufodorsata (Sekera, 1904) | [with synonyms] | w | other taxonomic work | 72, 81, 166 |