Islamia spirata (Bernasconi, 1975) |
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Known distribution: upper Doubs drainage basin. Specimen collected in the type-locality, the karst spring of Bléfond, at Silley-Bléfond, Doubs. Altitude ≈ 310m. 3,5mm. |
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Same spot. 1,1-1,3-1,35mm. This species has a remarkably globose shape. |
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