Collecting site
Rishiri-to (Risiri Sima, Risirizima), Japan
latitude: 45.1833 45°10'59.88"N
longitude: 141.25 141°15'0"E
[Precision of location: Alexandria Digital Library (with NGA GNDB data)]
[Site Named Here by name of island, bay, strait, lake, river, or stream, etc., named in source publication]
Collected here:
Polycelis schmidti (Zabusov, 1916) | 1974 or earlier | | | North Hokkaido including the Okhotsk seaboard district. Rishiri and Rebun Islands on the Sea of Japan. |
Polycelis (Polycelis) sapporo (Ijima & Kaburaki, 1916) | 1974 or earlier | | | North Hokkaido including the Okhotsk seaboard district. Rishiri and Rebun Islands on the Sea of Japan. |
Dugesia japonica Ichikawa & Kawakatsu, 1964 | 1974 or earlier | | | North Hokkaido including the Okhotsk seaboard district. Rishiri and Rebun Islands on the Sea of Japan. |