| Bothromesostoma primitivum Sabussowa, 1929 | | w | primary taxonomic authority (describer) | 498 |
| Mesostoma primitivum (Sabussowa, 1929) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Bdellocephala grubiiformis (Sabussowa, 1929) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Bdellocephala kamtschatica Sabussowa, 1929 | [with synonyms] | w | primary taxonomic authority (describer) | 527 |
| Bdellocephala mediobuccalis Sabussowa, 1929 | [with synonyms] | w | primary taxonomic authority (describer) | 521 |
| Rectocephala grubiiformis (Sabussow, 1929) | | w | primary taxonomic authority (describer) | |
| Rectocephala kamtschatica (Sabussow, 1929) | | w | primary taxonomic authority (describer) | |
| Rectocephala mediobuccalis (Sabussow, 1929) | | w | primary taxonomic authority (describer) | |
| Sorocelis elongata Sabussowa, 1929 | | w | primary taxonomic authority (describer) | 518 |
| Sorocelis eudendrocoeloides Sabussowa, 1929 | | w | primary taxonomic authority (describer) | 515 |
| Sorocelis relicta Sabussowa, 1929 | | w | primary taxonomic authority (describer) | |
| Polycelis eudendrocoeloides Sabussow, 1929 | | w | primary taxonomic authority (describer) | |
| Polycelis relicta (Sabussowa, 1929) | | w | primary taxonomic authority (describer) | 509, pl 4, figs. 2, 7, 8 |
| Planaria grubiiformis Sabussowa, 1929 | | w | primary taxonomic authority (describer) | 502 |