| author | date | title | journal / publication | Kato K | 1937 | Three polyclads from northern Japan. | Annot. Zool. Japon. l6:35-38. |
|---|
| Pseudostylochus stimpsoni Kato, 1937 | - | primary taxonomic authority (describer) | 35-37, Figs. 1-2 | |
| Koinostylochus stimpsoni (Kato, 1937) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Pseudostylochus stimpsoni Kato, 1937 | w | primary taxonomic authority (describer) | 35 | |
| Pseudoceros yessoensis Kato, 1937 | [with synonyms] | w | primary taxonomic authority (describer) | 37-38, Figs. 3-4 |