| Polycystididae Duplacrorhynchinae Schockaert & Karling, 1970 | | w | primary taxonomic authority (describer) | |
| Polycystidinae Duplacrorhynchus Schockaert & Karling, 1970 | | w | primary taxonomic authority (describer) | |
| Duplacrorhynchus major Schockaert & Karling, 1970 | | w | primary taxonomic authority (describer) | 243-247, Figs. 12-21 |
| Duplacrorhynchus minor Schockaert & Karling, 1970 | | w | primary taxonomic authority (describer) | 238-242, Figs. 1-11 |
| Polycystididae Yaquinaia Schockaert & Karling, 1970 | | w | primary taxonomic authority (describer) | 247 |
| Yaquinaia microrhynchus Schockaert & Karling, 1970 | | w | primary taxonomic authority (describer) | 247-250, Figs. 22-35 |
| Polycystididae Polycystidinae Schockaert & Karling, 1970 | | w | primary taxonomic authority (describer) | |
| Koinocystella inermis Karling, 1952 | | w | other taxonomic work | |
| Polycystidinae Parachrorhynchus Karling, 1956 | | w | other taxonomic work | |
