| Enterostomum capitatum sp.dub. Uljanin, 1870 | | w | latest taxonomic authority | |
| Koinocystis dolichocephalus (Pereyaslawzewa, 1892) | | w | other taxonomic work | |
| Aphanostoma chromocephalum Steinböck, 1933 | | w | primary taxonomic authority (describer) | 20-21, fig. 8 |
| Allostoma monophthalmum Steinböck, 1933 | | w | primary taxonomic authority (describer) | |
| Acmostomum rovignense Steinböck, 1933 | | w | primary taxonomic authority (describer) | 22-27, fig. 10 |
| Acmostomum tergestinum Steinböck, 1933 | | w | primary taxonomic authority (describer) | |
| Plagiostomum rovignense (Steinbock, 1933) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Koinocystis taeniophoris Steinböck, 1933 | [with synonyms] | w | primary taxonomic authority (describer) | 21-22, fig. 9 |
| Polycystis steueri Steinböck, 1933 | | w | primary taxonomic authority (describer) | 14-15, fig. 6-7 |
| Polycystis taeniophoris (Steinböck, 1933) | | w | primary taxonomic authority (describer) | |
| Rogneda steueri (Steinböck, 1933) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Ceratopera sellai (Steinböck, 1933) | [with synonyms] | w | primary taxonomic authority (describer) | 11-12, f. 2-5 |
| Proxenetes sellai Steinböck, 1933 | | w | primary taxonomic authority (describer) | 11-12, figs. 2-5 |
| Microstomum melanophthalmum Steinböck, 1933 | | w | primary taxonomic authority (describer) | 9-10, fig 1. |
| Childia groenlandica (Levinsen, 1879) | [with synonyms] | w | other taxonomic work | 4-5 |
| Plagiostomum girardi (Schmidt, 1857) | [with synonyms] | w | other taxonomic work | 14-15, figs. 6, 7 |
| Castrada (Castrada) sp. Steinböck, 1933 | | - | primary taxonomic authority (describer) | 29 |
| Polycystis minuta (Uljanin, 1870) | | w | other taxonomic work | |