| Dalyellia penicillatus (Schmidt, 1857) | | w | latest taxonomic authority | |
| Mesostoma andicola (Schmarda, 1859) | [with synonyms] | w | other taxonomic work | |
| Mesostoma balatonicum Szigethy, 1897 | | w | other taxonomic work | |
| Mesostoma chromobactrum Braun, 1885 | | w | other taxonomic work | 227 |
| Mesostoma flavidum Graff, 1882 | | w | latest taxonomic authority | |
| Mesostoma fusiforme (Duges, 1830) | [with synonyms] | w | latest taxonomic authority | |
| Mesostoma gracile (Schmarda, 1859) | [with synonyms] | w | latest taxonomic authority | |
| Mesostoma griseum (Müller, 1789) | [with synonyms] | w | latest taxonomic authority | |
| Mesostoma hystrix Schmarda, 1859 | | w | latest taxonomic authority | |
| Mesostoma masovicum Dorner, 1902 | | w | other taxonomic work | |
| Mesostoma metopoglena (Schmarda, 1859) | [with synonyms] | w | latest taxonomic authority | |
| Mesostoma mutabile Bohmig, 1902 | [with synonyms] | w | latest taxonomic authority | |
| Mesostoma oscari Graff, 1903 | | w | latest taxonomic authority | |
| Mesostoma platycephalum Braun, 1885 | | w | latest taxonomic authority | |
| Mesostoma pusillum Schmidt, 1848 | [with synonyms] | w | latest taxonomic authority | |
| Mesostoma raugeense Braun, 1885 | | w | other taxonomic work | 216 |
| Mesostoma stimulosum Graff, 1903 | | w | other taxonomic work | 216 |
| Mesostoma strigatum Müller, 1773 | [with synonyms] | w | latest taxonomic authority | |
| Castrada (Castrada) flavida (Graff, 1882) | [with synonyms] | w | other taxonomic work | 183 |
| Castrada (Castrada) horrida Schmidt, 1861 | [with synonyms] | w | other taxonomic work | 208, 209 |
| Castrada (Castrada) pellucida Braun, 1885 | | w | other taxonomic work | 209 |
| Castrada (Castrada) segne (Fuhrmann, 1894) | | w | other taxonomic work | |
| Diplopenis intermedius Volz, 1898 | | w | latest taxonomic authority | |
| Diplopenis tripeti Volz, 1898 | | w | latest taxonomic authority | |
| Planaria tetragona Müller, 1774 | | w | other taxonomic work | 244-248 |
| Fasciola tetragona Müller, 1773 | | w | latest taxonomic authority | |
| Typhloplanidae Olisthanellinae Luther, 1904 | | w | primary taxonomic authority (describer) | |
| Castrada (Castrada) sphagnetorum Luther, 1904 | | w | primary taxonomic authority (describer) | 202-205, t. 1, f. 21; t. 6, f. 16; t. 8, f. 1 |
| Castrada (Castrada) stagnorum Luther, 1904 | [with synonyms] | w | primary taxonomic authority (describer) | 183, t. 1, f. 19, 20; t. 3, f. 13; t. 8, f. 12 |
| Castrada (Castrada) stagnorum stagnorum Luther, 1904 | | w | primary taxonomic authority (describer) | 183 |
| Rhynchomesostominae Rhynchomesostoma Luther, 1904 | | w | primary taxonomic authority (describer) | 158-166 |
| Typhloplanidae Typhloplaninae Luther, 1904 | | w | primary taxonomic authority (describer) | |
| Olisthanella exigua (Dorner, 1902) | [with synonyms] | w | other taxonomic work | 148 |
| Olisthanella coeca (Silliman, 1885) | [with synonyms] | w | other taxonomic work | 148 |
| Olisthanella splendida (Graff, 1882) | | w | other taxonomic work | 147 |
| Mesostoma lugdunense de Man, 1875 | | w | other taxonomic work | 148 |
| Castrada (Castrada) fuhrmanni (Volz, 1898) | | w | other taxonomic work | 216 |
| Castrada (Castrada) perspicua (Fuhrmann, 1894) | [with synonyms] | w | other taxonomic work | 177, 183, t. 1, f. 14, 24; t. 2, f. 11; t. 8, f. 1 |
| Castrada (Castrada) hofmanni Braun, 1885 | | w | other taxonomic work | 196, t. 1, f. 8, 23; t. 2, f. 4, 6; t. 4, f. 1, 12 |
| Castrada (Castrada) granea Braun, 1885 | | w | other taxonomic work | 209 |
| Castrada (Castrada) chlorea Braun, 1885 | | w | other taxonomic work | 209 |
| Castrada (Castrada) viridis Volz, 1898 | [with synonyms] | w | other taxonomic work | 205, t. 8, f.2 |
| Castrada (Castrada) intermedia (Volz, 1898) | [with synonyms] | w | other taxonomic work | 209, t. 8, f. 7; 212 |
| Castrada (Castrada) armata (Fuhrmann, 1894) | [with synonyms] | w | other taxonomic work | 212, t. 3, f. 7, 12; t. 6, f. 7, 9, 17; t. 8, f. 8 |
| Castrada (Castrada) neocomensis Volz, 1898 | | w | other taxonomic work | 192, t. 8, f. 3-6 |
| Mesostoma productum (Schmidt, 1848) | [with synonyms] | w | other taxonomic work | 218, t. 1, f. 26; t. 2, f. 3; t. 5, f. 31, 41; t. |
| Mesostoma lingua (Abildgaard, 1789) | [with synonyms] | w | other taxonomic work | 222, t.1, f.15; t.2, f. 8-10; t. 3, f. 5,6,8,15,24 |
| Mesostoma ehrenbergii (Focke, 1836) | [with synonyms] | w | other taxonomic work | 227, t. 1, f. 1, 5, 9-11, 17, 18, 28-30, etc. |
| Mesostoma craci Schmidt, 1858 | [with synonyms] | w | other taxonomic work | 241, t. 1, f. 33, 44; t. 4, f. 19, 21, etc. |
| Mesostoma mutabile Bohmig, 1902 | [with synonyms] | w | other taxonomic work | 235, t. 1, f. 25, 27, 36; t. 2, f. 1,2; t. 5, f. 1 |
| Mesostoma punctatum Braun, 1885 | | w | other taxonomic work | 244 |
| Mesostoma tetragonum (Müller, 1774) | [with synonyms] | w | other taxonomic work | 244, t. 2, f. 15; t. 4, f. 18, 20, 22; t. 5, f. 32 |
| Mesostoma rhynchotum Braun, 1885 | | w | other taxonomic work | 248 |
| Mesostoma platycephalum Braun, 1885 | | w | other taxonomic work | 249 |
| Mesostoma nigrirostrum Braun, 1885 | | w | other taxonomic work | 249 |
| Bothromesostoma personatum (Schmidt, 1848) | [with synonyms] | w | other taxonomic work | 253, t. 1, f. 13, 35; t. 4, f. 15, 16; t. 6, f. 10 |
| Bothromesostoma essenii Braun, 1885 | | w | other taxonomic work | 249, t. 1, f. 3, 4, 6, 37, 38; t. 3, f. 16, 18, 23 |
| Bothromesostoma marginatum Braun, 1885 | | w | other taxonomic work | 259 |
| Bothromesostoma lineatum Braun, 1885 | | w | other taxonomic work | 259 |
| Mesostoma pattersoni Silliman, 1885 | | w | other taxonomic work | 259 |
| Strongylostoma radiatum (Müller, 1774) | [with synonyms] | w | other taxonomic work | |
| Rhynchomesostoma rostratum (Müller, 1774) | [with synonyms] | w | latest taxonomic authority | 158-166 |
| Bothromesostoma personatum (Schmidt, 1848) | [with synonyms] | w | other taxonomic work | |
| Castrada (Castrada) cuenoti (Dörler, 1900) | | w | other taxonomic work | |
| Tetracelis marmorosa (Müller, 1773) | [with synonyms] | w | other taxonomic work | 166-167 |
| Typhloplana minima (Fuhrmann, 1894) | [with synonyms] | w | other taxonomic work | |
| incertae sedis Fasciola Linné, 1758 | | w | other taxonomic work | |
| Olisthanella obtusa (Schultze, 1851) | [with synonyms] | w | other taxonomic work | 148 |
| Macrostomidae Macrostomum Schmidt, 1848 | [with synonyms] | w | other taxonomic work | |
| Olisthanella truncula nassonoffii Graff, 1882 | | - | latest taxonomic authority | |
