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Fig. 1


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Known Bythinella records in the area (black dots), sampled sites (red stars) and putative distribution of the three nominal species. Sampling sites numbers refer to Table 1. Circles: type localities; square: ergonymotope for B. carinulata. The green polygon refers to the distribution of B. carinulata according to Drouët (1867). Black dotted lines represent the major watershed limits (Seine, Meuse and Rhône drainages). Scale bar: 100 km.

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