Bythinella sp.07

Known distribution: A spring downstream Amenot, south of Brantôme, on the Dronne river, tributary of the Dordogne, northern Garonne drainage basin. Above: adult specimen collected in the Egeria densa meadow at the overflow of the pool. Altitude ≈ 100m. Size: 2,45mm.
Same spot. Animal inside. 2,5mm.
The spring and its pool.
Other specimens from the same spot.
2,4-2,65-2,3mm.
 
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