| Prorhynchidae Geocentrophora de Man, 1876 | | w | primary taxonomic authority (describer) | |
| Geocentrophora sphyrocephala de Man, 1876 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Geocentrophora sphaerocephala de Man, 1876 | | w | primary taxonomic authority (describer) | |
| Prorhynchus sphyrocephalus (de Man, 1876) | | w | primary taxonomic authority (describer) | 62,66 |
| Dendrocoelidae Bdellocephala de Man, 1875 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Mesostoma sulphureum (Schmidt, 1848) | | w | other taxonomic work | |
