Belgrandiella saxatilis (Reyniés, 1844) |
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Occitania. Also some spots in the Garonne drainage basin. Original taxon: Paludina saxatilis. Crenobiont. Karst spring at the Clue de la Fou, Saint-Paul-de-Fenouillet, Pyrénées-Orientales. Altitude ≈ 280m. 2,5mm. |
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Same spot. 2,55mm. |
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Same spot. 2,2-2,3-2,35mm. |
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Same spot. 2,35-2,20-2,15mm. |
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Same spot. 2,85-2,40-2,70mm. |
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A magnificent specimen from the emergence of the Sarrazine cave-river, Ruisseau de Goutte-Rouge, in the Arize drainage basin. Alzen, Ariège. Altitude ≈ 640m. 2,5mm. |
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A high-spired specimen from the same spring. 2,9mm. |
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Growth set and shape variations. Same spot. 1,15-2,9mm. |