are actually river otters adapted to living in salt water, rather than the true sea otters most people are familiar with. although similar looking, river otters tend to be skinnier and less furry than their sea otter cousins, and spend much of their time running around on land as well as in the water...
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...