Collecting site
Shikotsu-Toya National Park (Shikotsu-Doya), Japan
includes the Shikotsu-ko and Toya-ko caldera lakes. 983.3 sp km area.
latitude: 42.700001 42°42'0"N
longitude: 141 141°0'0"E
[Precision of location: gauged from chart or map]
[Site Named Here by name of sea, gulf, or country named in source publication]
Collected here:
Dugesia japonica Ichikawa & Kawakatsu, 1964 | 1974 or earlier | | | |
Polycelis (Polycelis) sapporo (Ijima & Kaburaki, 1916) | 1974 or earlier | | | |
Polycelis auriculata Ijima & Kaburaki, 1916 | 1974 or earlier | | | |