| Plagiostomum planum Silliman, 1885 | [with synonyms] | w | other taxonomic work | 216 |
| Stenostomum neoboracense Girard, 1893 | | w | primary taxonomic authority (describer) | |
| Plagiostomidae Rhabdostoma Girard, 1893 | | w | primary taxonomic authority (describer) | |
| Macrostomum erinaceum Girard, 1893 | | w | primary taxonomic authority (describer) | |
| Leptoplaninae Euplana Girard, 1893 | [with synonyms] | - | primary taxonomic authority (describer) | |
| Procotyla leidyi Girard, 1893 | | w | primary taxonomic authority (describer) | |
| Dugesia modesta Girard, 1893 | | w | primary taxonomic authority (describer) | |
| Polycelis catulus Girard, 1893 | | w | primary taxonomic authority (describer) | |
| Polycelis panniculatus Girard, 1893 | | w | primary taxonomic authority (describer) | |
| Polycelis polychroa Girard, 1893 | | w | primary taxonomic authority (describer) | |
| Hydrolimax bruneus Girard, 1891 | | w | other taxonomic work | 163-164 |
| Planaria fuliginosus Leidy, 1851 | | w | other taxonomic work | |
| Euplanidae Euplana Girard, 1893 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Stylochopsis lateralis Girard, 1894 | | w | primary taxonomic authority (describer) | (error for littoralis Verrill 1873 {19388} |
| Stenostomidae Stenostomum agile Silliman, 1885 | | w | other taxonomic work | 221 |
| Rhynchoscolex vejdovskyi Sekera, 1889 | | w | other taxonomic work | 222 |
| Microstomidae Microstomum lineare (Müller OF, 1773) | [with synonyms] | w | other taxonomic work | 218 |
| Microstomum caudatum Leidy, 1852 | | w | other taxonomic work | 219 |
