| Cestoplana lactea Kato, 1937 | | - | primary taxonomic authority (describer) | 223-225, Figs. 16-17; Pl. XV, 1-6 |
| Pseudostylochus elongatus Kato, 1937 | | - | primary taxonomic authority (describer) | 218-220, Figs. 9-10; Pl. XIV, 4, 5 |
| Notoplana japonica Kato, 1937 | | - | primary taxonomic authority (describer) | 215-216, Figs. 5-6; Pl. XIV, 6, 7 |
| Stylochoplana amica Kato, 1937 | | - | primary taxonomic authority (describer) | 213-214, Figs 3-4; Pl. XIV, 1-3, Pl. XV, 9 |
| Pseudoceros gratus Kato, 1937 | | - | primary taxonomic authority (describer) | 227-229; Figs. 20-22 |
| Pseudobiceros gratus (Kato, 1937) | | w | primary taxonomic authority (describer) | |
| Cestoplana lactea Kato, 1937 | | w | primary taxonomic authority (describer) | |
| Cestoplanides lactea (Kato, 1937) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Notoplana japonica Kato, 1937 | | w | primary taxonomic authority (describer) | |
| Melloplana japonica (Kato, 1937) | | w | primary taxonomic authority (describer) | |
| Stylochoplana amica Kato, 1937 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Koinostylochus elongatus (Kato, 1937) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Pseudostylochus elongatus Kato, 1937 | | w | primary taxonomic authority (describer) | |
| Pseudoceros gratus Kato, 1937 | | w | primary taxonomic authority (describer) | |
| Pseudobiceros gratus (Kato, 1937) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Discocelis japonica Yeri & Kaburaki, 1918 | | - | other taxonomic work | 212-213, Figs. 1-2 |
| Hoploplana villosa (Lang, 1884) | | - | other taxonomic work | 216-218, Figs. 7,8; Pl. XV, 10 |
| Neoplanocera elongata Yeri & Kaburaki, 1918 | | - | other taxonomic work | 220-223, Figs. 11-15; Pl. XIV, 8 |
| Cestoplana rubrocincta (Grube, 1840) | | - | other taxonomic work | 225-227, Figs. 18, 19; Pl. XV, 7, 8 |
| Cycloporus papillosus (1) Sars, 1878 | | - | other taxonomic work | 229-230, Figs. 23-24 |
| Cycloporus papillosus (1) Sars, 1878 | | - | other taxonomic work | 229-230, Figs. 23-24 |
| Notocomplana japonica (Kato 1937) | [with synonyms] | w | primary taxonomic authority (describer) | |