Bắc Phần  (Tonkin), Vietnam, Socialist Republic of Vietnam
latitude: 22     22°0'0"N
longitude: 105     105°0'0"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] 
| Pelmatoplana dawydoffi de Beauchamp, 1939 | 1939 or earlier | 
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