Chugoku (Chikoku), Japan
latitude: 34.5     34°30'0"N
longitude: 133     133°0'0"E
[Precision of location: Alexandria Digital Library (with NGA GNDB data)] 
[Site Named Here by name of sea, gulf, or country named in source publication] 
| Dugesia japonica Ichikawa & Kawakatsu, 1964 | 1974 or earlier | Chugoku. | ||
| Phagocata vivida (Ijima & Kaburaki, 1916) | 1974 or earlier | 
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