| Ectoplana limuli (Ijima & Kaburaki, 1916) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Paucumara trigonocephala (Ijima & Kaburaki, 1916) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Stummeria trigonocephala (Ijima & Kaburaki, 1916) | | w | primary taxonomic authority (describer) | 6062 |
| Procerodes lacteus Ijima & Kaburaki, 1916 | | w | primary taxonomic authority (describer) | |
| Procerodes limuli Ijima & Kaburaki, 1916 | | w | primary taxonomic authority (describer) | |
| Procerodes trigonocephala Ijima & Kaburaki, 1916 | | w | primary taxonomic authority (describer) | |
| Bdellocephala annandalei Ijima & Kaburaki, 1916 | | w | primary taxonomic authority (describer) | |
| Bdellocephala brunnea Ijima & Kaburaki, 1916 | | w | primary taxonomic authority (describer) | |
| Sorocelis sapporo Ijima & Kaburaki, 1916 | | w | primary taxonomic authority (describer) | |
| Fonticola papillifera (Ijima & Kaburaki, 1916) | | w | primary taxonomic authority (describer) | |
| Fonticola pellucida (Ijima & Kaburaki, 1916) | | w | primary taxonomic authority (describer) | |
| Fonticola vivida (Ijima & Kaburaki, 1916) | | w | primary taxonomic authority (describer) | |
| Penecurva vivida (Ijima & Kaburaki, 1916) | | w | primary taxonomic authority (describer) | |
| Phagocata papillifera (Ijima & Kaburaki, 1916) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Phagocata pellucida (Ijima & Kaburaki, 1916) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Phagocata vivida (Ijima & Kaburaki, 1916) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Polycelis auriculata Ijima & Kaburaki, 1916 | | w | primary taxonomic authority (describer) | |
| Polycelis karafto Ijima & Kaburaki, 1916 | | w | primary taxonomic authority (describer) | |
| Polycelis (Polycelis) sapporo (Ijima & Kaburaki, 1916) | | w | primary taxonomic authority (describer) | |
| Seidlia auriculata (Ijima & Kaburaki, 1916) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Planaria pellucida Ijima & Kaburaki, 1916 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Planaria papillifera Ijima & Kaburaki, 1916 | | w | primary taxonomic authority (describer) | |
| Polycelis sapporo (Ijima & Kaburaki, 1916) | [with synonyms] | w | primary taxonomic authority (describer) | 57 |
