Bythinella sp.04

Known distribution: Lamiña Ziloa cold spring, Camou-Cihigue, Pyrénées-Atlantiques.
Growth marks almost orthocline; whorls moderately convex, without a flattening at the periphery; subsutural ramp narrow; presence of an umbilical slit. 2,45mm. Altitude ≈ 270m.
 
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