Discocelis japonica Yeri & Kaburaki, 1918 | Apr 1937 | | | Very common at Edura, Skatahana, Tosima and Yuzaki. |
Stylochus ijimai Yeri & Kaburaki, 1918 | Apr 1937 | | | Numerous specimens were collected at Edura, Daizyasima, Mori and Sakatahana. |
Cryptophallus sondaicus Bock, 1925 | Aug 1, 1928 | | | Museum specimen obtained at Edura. |
Notoplana humilis (Stimpson, 1857) | Apr 1937 | | | the most common polyclad in the neighborhood of the Station. |
Notoplana delicata (Yeri & Kaburaki, 1918) | Apr 1937 | | | very common. |
Discoplana takewakii Kato, 1935 | Apr 1937 | | | At Sakatahana, Ophioplocus japonicus was often found to be harbored in the genital bursa by this interesting planarian. |
Hoploplana cupida Kato, 1938 | Apr 1937 | | | single specimen found at Tunasiradu. |
Planocera reticulata (Stimpson, 1855) | Apr 1937 | | | very common in this district. |
Callioplana marginata Stimpson, 1857 | Apr 1937 | | | found in abundance at Yuzaki and at Tubaki near Seto. |
Pseudostylochus edurus Kato, 1938 | May 4, 1928 | | | two specimens obtained at Edura. |
Cestoplana rubrocincta (Grube, 1840) | Apr 1937 | | | common at Yuzaki and Edura. |
Prosthiostomum grande Stimpson, 1857 | Apr 1937 | | | large number of this species were collected at Sakatahana and Tubaki. |
Prosthiostomum auratum Kato, 1937 | Apr 1937 | | | numerous specimens obtained under stones at Yuzaki and Sakatahana. |
Prosthiostomum laetum Kato, 1938 | Apr 1937 | 18 m | | single specimen collected by the dredge-net from a depth of about ten fathoms off Tonda near Seto. Off Tonda near Seto, Kii. |
Stylochus ijimai Yeri & Kaburaki, 1918 | 1944 or earlier | | | Seto, Kii. |
Prosthiostomum trilineatum Yeri & Kaburaki, 1920 | 1944 or earlier | | | Hatake-jima, Kii. |