| Polycystididae Syltorhynchus Noldt, 1989 | | w | primary taxonomic authority (describer) | |
| Syltorhynchus schockaerti Noldt, 1989 | | w | primary taxonomic authority (describer) | |
| Eukalyptorhynchia Elvertia Noldt, 1989 | | w | primary taxonomic authority (describer) | |
| Elvertia krusei Noldt, 1989 | | w | primary taxonomic authority (describer) | |
| Orbiculorhynchus luebbeni Noldt, 1989 | | w | primary taxonomic authority (describer) | |
| Gnathorhynchidae Orbiculorhynchus Noldt, 1989 | | w | primary taxonomic authority (describer) | 304 |
| Scanorhynchus forcipatus Karling, 1955 | [with synonyms] | w | other taxonomic work | |
| Danorhynchus duplostylis Karling, 1955 | | w | other taxonomic work | |
| Typhlopolycystis coeca Karling, 1956 | | w | other taxonomic work | |
| Typhlopolycystis rubra Noldt & Reise, 1987 | | w | other taxonomic work | |
| Gnathorhynchus inermis Schilke, 1970 | | w | other taxonomic work | |
| Gnathorhynchus conocaudatus Meixner, 1929 | | w | other taxonomic work | |
| Psammorhynchus tubulipenis Meixner, 1938 | | w | other taxonomic work | |
| Paracicerina deltoides Martens & Schockaert, 1981 | | w | other taxonomic work | |
| Paracicerina laboeica Meixner, 1928 | | w | other taxonomic work | 299 |
| Cicerina remanei Meixner, 1928 | | w | other taxonomic work | |
| Neopolycystis tridentata Karling, 1955 | | w | other taxonomic work | |
| Marirhynchus longasaeta Schilke, 1970 | | w | other taxonomic work | |
| Ancistrorhynchus ischnurus L'Hardy, 1963 | | w | other taxonomic work | 308-309 |
| Neognathorhynchus suecicus Karling, 1956 | | w | other taxonomic work | 303-304 |
| Gallorhynchus schockaerti Noldt, 1989 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Syltorhynchus schockaerti Noldt, 1989 | | w | latest taxonomic authority | |
| Zonorhynchus seminascatus Karling, 1956 | | w | other taxonomic work | |