streaming rivers. this is reflected in their neritoid shape (less resitance) and strong, thick shell. snails with large and fragile shells won't survive the conditions in this environment. species felipponea elongata (dall, ) felipponea iheringi (pilsbry, ) felipponea neritiformis (dall, ) felipponea...
calcareous tufa in spring peat bogs of eastern poland] / radosław dobrowolski, stefan w. alexandrowicz, krystyna bałaga, tomasz durakiewicz, anna pazdur // w: geochronologia górnego czwartorzędu polski w świetle datowania radiowęglowego i luminescencyjnego / anna pazdur [et. al.]. — gliwice : instytut...