| Pseudostylochus nationalis Kato, 1939 | | - | primary taxonomic authority (describer) | 73-74, Pl. IV, Fig. 6; text-figs. 11-12 |
| Notoplana libera Kato, 1939 | | - | primary taxonomic authority (describer) | 68-70, Pl. IV, Figs. 3, 4; Text-figs 4-6 |
| Notoplana sophia Kato, 1939 | | - | primary taxonomic authority (describer) | 70-72, Pl. III, Fig. 5; Pl. IV, Fig. 5; Text-figs, |
| Paraplehnia pacifica (Kato, 1939) | | - | primary taxonomic authority (describer) | |
| Plehnia pacifica Kato, 1939 | | - | primary taxonomic authority (describer) | |
| Prosthiostomum bellum Kato, 1939 | | - | primary taxonomic authority (describer) | 77-78, Pl. IV, Figs. 1-2, text-figs. 17-18 |
| Notoplana libera Kato, 1939 | | w | primary taxonomic authority (describer) | |
| Notoplana sophia Kato, 1939 | | w | primary taxonomic authority (describer) | |
| Notocomplana libera (Kato, 1939) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Notocomplana sophia (Kato, 1939) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Diplehnia pacifica (Kato, 1939) | | w | primary taxonomic authority (describer) | |
| Plehnia pacifica Kato, 1939 | | w | primary taxonomic authority (describer) | |
| Pseudostylochus nationalis Kato, 1939 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Cycloporus papillosus misakiensis var. Kato, 1939 | | w | primary taxonomic authority (describer) | |
| Euprosthiostomum bellum (Kato, 1939) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Prosthiostomum bellum Kato, 1939 | | w | primary taxonomic authority (describer) | |
| Paraplehnia pacifica (Kato, 1939) | [with synonyms] | w | primary taxonomic authority (describer) | |