| Procotyla fluviatilis Leidy, 1857 | [with synonyms] | w | other taxonomic work | 36-38 |
| Cura foremanii (Girard, 1852) | [with synonyms] | w | other taxonomic work | 10-13 |
| Curtisia foremani (Girard, 1852) | | w | other taxonomic work | 10-11 |
| Dugesia dorotocephala (Woodworth, 1897) | [with synonyms] | w | other taxonomic work | 18-21 |
| Dugesia tigrina (Girard, 1850) | | w | other taxonomic work | 13-18 |
| Fonticola vernalis (Kenk, 1944) | | w | primary taxonomic authority (describer) | |
| Hymanella retenuova Castle, 1941 | | w | other taxonomic work | 22-28 |
| Phagocata morgani (Stevens & Boring, 1906) | [with synonyms] | w | other taxonomic work | 33-36 |
| Phagocata morgani morgani Stevens & Boring, 1906 | [with synonyms] | w | other taxonomic work | |
| Phagocata velata (Stringer, 1909) | [with synonyms] | w | other taxonomic work | 28-35 |
| Phagocata vernalis Kenk, 1944 | [with synonyms] | w | primary taxonomic authority (describer) | 22-28 |
| Planaria simplex Woodworth, 1896 | | w | other taxonomic work | 38 |