Bythinella sp.05 |
Known distribution: Fontestorbes cave, southern bank of the Hers river, Belesta, Ariège. This specimen was collected in the twilight zone of the cave river, attached under stones in 50cm deep, Fontestorbes karts spring. 2,3mm. Altitude ≈ 520m. |
Same spot. 2,9mm. The animals are deeply retracted inside their shells. |
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