| Planarioidea Kenkiidae Hyman, 1937 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Kenkiidae Kenkia Hyman, 1937 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Kenkia rhynchida Hyman, 1937 | | w | primary taxonomic authority (describer) | 457-462 |
| Sphalloplana Speophila Hyman, 1937 | | w | primary taxonomic authority (describer) | |
| Sphalloplana (Speophila) buchanani Hyman, 1937 | [with synonyms] | w | primary taxonomic authority (describer) | 468 |
| Sphalloplana (Speophila) pricei Hyman, 1937 | | w | primary taxonomic authority (describer) | 462 |
| Sphalloplana buchanani Hyman, 1937 | | w | primary taxonomic authority (describer) | 468 |
| Phagocata subterranea Hyman, 1937 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Phagocata gracilis (Haldeman, 1840) | [with synonyms] | w | other taxonomic work | 474 |
| Sphalloplana (Sphalloplana) percoeca (Packard, 1879) | [with synonyms] | w | other taxonomic work | 469 |
| Dendrocoelidae Kenkiinae Hyman, 1937 | | w | primary taxonomic authority (describer) | |
| Fonticola percaeca (Packard, 1879) | | w | other taxonomic work | 467-471 |
| Fonticola percoecum (Packard, 1879) | | w | other taxonomic work | 467-471 |
| Dendrocoelum percoecum Packard, 1879 | | w | other taxonomic work | 467-471 |
