| Cestoplana marina Kato, 1938 | | - | primary taxonomic authority (describer) | 567-568, Pl. XXXVII, FIgs. 6-8; text-figs. 11, 12 |
| Pseudostylochus meridialis Kato, 1938 | | - | primary taxonomic authority (describer) | 566-567, Pl. XXXVI, Figs. 3, 4; text-figs 9,10 |
| Notoplana serica Kato, 1938 | | - | primary taxonomic authority (describer) | 564-565, Pl. XXXVII, Figs. 1-3, text-figs. 7,8 |
| Discocelis pusilla Kato, 1938 | | - | primary taxonomic authority (describer) | 560-561, Figs. 1,2; Text-figs. 1-3 |
| Trigonoporus mirabilis (Kato, 1938) | | - | primary taxonomic authority (describer) | |
| Kaburakia gloriosa Kato, 1938 | | - | primary taxonomic authority (describer) | 562-563, Figs. 7, 8; Text-figs. 4-6 |
| Cycloporus misakiensis (Kato, 1938) | | w | primary taxonomic authority (describer) | |
| Cycloporus papillosus (1) misakiensis Kato, 1938 | | w | primary taxonomic authority (describer) | 571 |
| Prosthiostomidae Amakusaplana Kato, 1938 | | - | primary taxonomic authority (describer) | 573 |
| Amakusaplana ohshimai Kato, 1938 | | w | primary taxonomic authority (describer) | 573-575, Pl. XXXVII, Figs. 4, 5; Text-figs. 24-26 |
| Prosthiostomum sonorum Kato, 1938 | | - | primary taxonomic authority (describer) | 572-573, Pl. XXXVI, Figs. 5, 6; Text-figs. 22, 23 |
| Pseudoceros memoralis Kato, 1938 | | - | primary taxonomic authority (describer) | 569-570, Text-figs. 16-18 |
| Pseudoceros pius Kato, 1938 | | - | primary taxonomic authority (describer) | 570-571, Text-figs. 19-21 |
| Pseudoceros tomiokaensis Kato, 1938 | | - | primary taxonomic authority (describer) | 568-569, Pl. XXXVII, Fig. 9; text-figs. 13-15 |
| Discocelis pusilla Kato, 1938 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Cestoplana marina Kato, 1938 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Notoplana serica Kato, 1938 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Kaburakia gloriosa Kato, 1938 | | w | primary taxonomic authority (describer) | |
| Koinostylochus meridialis (Kato, 1938) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Pseudostylochus meridialis Kato, 1938 | | w | primary taxonomic authority (describer) | |
| Kataria gloriosa (Kato, 1938) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Prosthiostomidae Amakusaplana Kato, 1938 | | w | primary taxonomic authority (describer) | |
| Amakusaplana ohshimae Kato, 1938 | | w | primary taxonomic authority (describer) | |
| Prosthiostomum ohshimae (Kato, 1938) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Prosthiostomum sonorum Kato, 1938 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Prosthiostomum vulgare Kato, 1938 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Pseudoceros memoralis Kato, 1938 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Pseudoceros pius Kato, 1938 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Pseudoceros tomiokaensis Kato, 1938 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Discocelis japonica Yeri & Kaburaki, 1918 | | - | other taxonomic work | |