| Bdelloura candida (Girard, 1850) | [with synonyms] | w | other research on this sp. | |
| Dendrocoelum lacteum (Müller, 1773) | [with synonyms] | w | other research on this sp. | |
| Procotyla fluviatilis Leidy, 1857 | [with synonyms] | w | other research on this sp. | |
| Procerodes wheatlandi Girard, 1850 | | w | other research on this sp. | |
| Polycelis gracilis (Seidl, 1911) | | w | other research on this sp. | |
| Polycelis nigra (Müller, 1774) | [with synonyms] | w | other research on this sp. | |
| Polycelis tenuis Ijima, 1884 | [with synonyms] | w | other research on this sp. | |
| Planaria lugubris Schmidt, 1861 | | w | other research on this sp. | |
| Planaria torva (Müller, 1773) | [with synonyms] | w | other research on this sp. | |
| Planaria dorotocephala Woodworth, 1897 | | w | other research on this sp. | |
| Planaria lata Sivickis, 1923 | | w | other research on this sp. | |
| Planaria maculata(2) Dalyell, 1853 | | w | other research on this sp. | |
| Planaria velata Stinger, 1909 | | w | other research on this sp. | |
| Planaria hymani Sivickis, 1928 | | w | other research on this sp. | |