| Lutheria minuta Hofsten N, 1907 | | w | latest taxonomic authority | |
| Typhloplanella paraproxenetes (Reisinger, 1924) | | w | latest taxonomic authority | |
| Dalyellia bardeaui Steinböck, 1926 | | w | primary taxonomic authority (describer) | 424 |
| Fulinskiella bardeaui (Steinböck, 1926) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Castrada (Castrada) inermis Hofsten N, 1911 | | w | other research on this sp. | 430 |
| Castrada (Castrada) stagnorum Luther, 1904 | [with synonyms] | w | other taxonomic work | 427, 428, 438, 439 |
| Ascophora elegantissima Findenegg, 1924 | | w | other taxonomic work | 429-430 |
| Rhynchoscolex simplex Leidy, 1852 | [with synonyms] | w | other taxonomic work | |
| Macrostomum orthostylum Braun, 1885 | | w | other taxonomic work | |
| Typhloplanella inermis (Reisinger, 1924) | | w | other research on this sp. | |