| Pogaina tifa Marcus, 1954 | | w | latest taxonomic authority | |
| Ethmorhynchus anophthalmus Meixner, 1938 | | w | other taxonomic work | 263-268 |
| Prognathorhynchus karlingi Ax, 1953 | | w | latest taxonomic authority | |
| Uncinorhynchus westbladi Karling, 1952 | | w | latest taxonomic authority | |
| Acrorhynchides caledonicus (Claperede, 1861) | [with synonyms] | w | latest taxonomic authority | |
| Acrorhynchus caledonicus (Claperede, 1861) | | w | latest taxonomic authority | |
| Acrorhynchus dolichocephalus (Pereyaslawzewa, 1892) | | w | other taxonomic work | |
| Macrorhynchus dolichocephalus Pereyaslawzewa, 1892 | | w | other taxonomic work | |
| Polycystis bilobata Nasonov, 1935 | | w | latest taxonomic authority | |
| Polycystis campanulata Nasonov, 1935 | | w | latest taxonomic authority | |
| Polycystis matarazzoi (Marcus, 1948) | | w | latest taxonomic authority | |
| Polycystis multifida Nasonov, 1935 | | w | latest taxonomic authority | |
| Psammopolycystidinae Psammopolycystis Meixner, 1938 | | w | other taxonomic work | |
| Psammopolycystis bidens Meixner, 1938 | | w | latest taxonomic authority | |
| Lenopharynx triops Marcus, 1951 | | w | latest taxonomic authority | |
| Phaenocora Pseudophaenocora Gilbert, 1938 | | w | latest taxonomic authority | |
| Phaenocora chloroxantha Marcus, 1946 | [with synonyms] | w | other taxonomic work | 195, 199 |
| Phaenocora highlandense Gilbert, 1935 | | w | other research on this sp. | 195 |
| Phaenocora sulfophila (Gilbert, 1938) | | w | latest taxonomic authority | |
| Phaenocora virginiana Gilbert, 1935 | | w | latest taxonomic authority | |
| Phaenocorinae Pseudophaenocora Gilbert, 1938 | [with synonyms] | w | latest taxonomic authority | |
| Opisthocystis bilobatus (Nasonov, 1935) | [with synonyms] | w | other taxonomic work | |
| Opisthocystis campanulatus (Nasonov, 1935) | [with synonyms] | w | latest taxonomic authority | |
| Opisthocystis multifidus (Nasonov, 1935) | [with synonyms] | w | other taxonomic work | |
| Opisthocystis trifidus (Nasonov, 1935) | [with synonyms] | w | latest taxonomic authority | |
| Polycystis trifida Nasonov, 1935 | | w | latest taxonomic authority | |
| Zonorhynchus seminascatus Karling, 1956 | | w | primary taxonomic authority (describer) | 273 |
| Nannorhynchididae Nannorhynchus Karling, 1956 | | w | primary taxonomic authority (describer) | |
| Nannorhynchides herdlaensis (Karling, 1956) | | w | primary taxonomic authority (describer) | 270-272 |
| Cicerininae Xenocicerina Karling, 1956 | | w | primary taxonomic authority (describer) | |
| Xenocicerina gracilis Karling, 1956 | | w | primary taxonomic authority (describer) | 268-270 |
| Gnathorhynchidae Neognathorhynchus Karling, 1956 | | w | primary taxonomic authority (describer) | |
| Polycystidinae Parachrorhynchus Karling, 1956 | | w | primary taxonomic authority (describer) | |
| Parachrorhynchus axi Karling, 1956 | | w | primary taxonomic authority (describer) | 221 |
| Parachrorhynchus bergensis Karling, 1956 | | w | primary taxonomic authority (describer) | 224 |
| Typhlopolycystidinae Papia Karling, 1956 | | w | primary taxonomic authority (describer) | |
| Papia bifida Karling, 1956 | | w | primary taxonomic authority (describer) | 254-256 |
| Koinocystididae Mesorhynchus Karling, 1956 | | w | primary taxonomic authority (describer) | |
| Mesorhynchus terminostylis Karling, 1956 | | w | primary taxonomic authority (describer) | 228 |
| Paulodora riedli (Karling, 1956) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Scanorhynchinae Annulorhynchus Karling, 1956 | | w | primary taxonomic authority (describer) | |
| Annulorhynchus adriaticus Karling, 1956 | | w | primary taxonomic authority (describer) | 256-259 |
| Psammopolycystidinae Phonorhynchella Karling, 1956 | | w | primary taxonomic authority (describer) | |
| Phonorhynchella biarcuata Karling, 1956 | | w | primary taxonomic authority (describer) | 240-243 |
| Psammopolycystis bondensis Karling, 1956 | | w | primary taxonomic authority (describer) | 247 |
| Psammopolycystis bredungensis Karling, 1956 | | w | primary taxonomic authority (describer) | 247-249 |
| Psammopolycystis falcata Karling, 1956 | | w | primary taxonomic authority (describer) | 246-247 |
| Typhlopolycystidinae Typhlopolycystis Karling, 1956 | | w | primary taxonomic authority (describer) | |
| Typhlopolycystis coeca Karling, 1956 | | w | primary taxonomic authority (describer) | 250-253 |
| Eukalyptorhynchia Psammorhynchidae Karling, 1956 | | w | primary taxonomic authority (describer) | 259-263 |
| Diascorhynchus collaris Karling, 1956 | | w | primary taxonomic authority (describer) | |
| Rhinepera marcusi Karling, 1956 | | w | primary taxonomic authority (describer) | |
| Thylacorhynchus filostylis Karling, 1956 | | w | primary taxonomic authority (describer) | |
| Polycystis riedli Karling, 1956 | | w | primary taxonomic authority (describer) | 230 |
| Klattia virginiensis Kepner, Stirewalt & Ferguson, 1939 | | w | other taxonomic work | 236 |
| Cheliplanilla caudata Meixner, 1938 | | w | other taxonomic work | 273-275 |
| Haplovejdovskya subterranea Ax, 1954 | | w | other taxonomic work | 209 |
| Cheliplana marcusi (Karling, 1956) | [with synonyms] | w | primary taxonomic authority (describer) | 201, 278, Fig. 11d |
| Phaenocora kepneri Gilbert, 1935 | | w | other research on this sp. | 195 |
| Phonorhynchoides flagellatus Beklemischev, 1927 | | w | other taxonomic work | |
| Antiboreorhynchus torquatus Karling, 1952 | | w | other research on this sp. | |
| Gyratricella attemsi (Graff, 1913) | [with synonyms] | w | other taxonomic work | |
| Koinocystella inermis Karling, 1952 | | w | other taxonomic work | |
| Paulodora felis (Marcus, 1954) | | w | other taxonomic work | |
| Phonorhynchus pearsei Ferguson, Stirewalt & Kepner, 1940 | | w | other taxonomic work | |
| Polycystis gabriellae (Marcus, 1948) | [with synonyms] | w | other taxonomic work | |
| Polycystis intubata Graff, 1905 | [with synonyms] | w | other taxonomic work | |
| Pontaralia spinosa (Beklemischev, 1927) | | w | other taxonomic work | |
| Progyrator mamertinus (Graff, 1874) | [with synonyms] | w | other research on this sp. | |
| Scanorhynchus limophilus Karling, 1955 | | w | other taxonomic work | |
| Zuccaria fredelyna Marcus, 1948 | | w | other taxonomic work | |