| Gyratricella attemsi (Graff, 1913) | [with synonyms] | w | latest taxonomic authority | |
| Gyratrix arenarius Evdonin, 1971 | | w | latest taxonomic authority | |
| Scanorhynchus forcipatus Karling, 1955 | [with synonyms] | w | latest taxonomic authority | |
| Scanorhynchus modestus Evdonin, 1971 | | w | latest taxonomic authority | |
| Polycystidinae Alcha Marcus, 1949 | | w | latest taxonomic authority | |
| Alcha evelinae Marcus, 1949 | | w | other taxonomic work | 11-14, Figs. 21, 22, 29-32, 34, 35 |
| Polycystidinae Antiboreorhynchus Karling, 1952 | | w | latest taxonomic authority | |
| Austrorhynchus elixus Marcus, 1954 | | w | latest taxonomic authority | |
| Cincturorhynchus ruber Evdonin, 1970 | | w | latest taxonomic authority | |
| Gyratrix proaviformis Karling & Schockaert, 1977 | | w | primary taxonomic authority (describer) | 6, Figs. 1, 3-5, 10-11 |
| Polycystidinae Paraustrorhynchus Karling & Schockaert, 1977 | | w | primary taxonomic authority (describer) | 8 |
| Paraustrorhynchus pacificus Karling & Schockaert, 1977 | | w | primary taxonomic authority (describer) | 8-10, Figs. 16-19, 20, 23, 33 |
| Antiboreorhynchus novzelae Karling & Schockaert, 1977 | | w | primary taxonomic authority (describer) | 14-15, Figs. 24, 36-38 |