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Holes generated by tumbling experiments on various shells.

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posted on 08.03.2013, 10:40 authored by Przemysław Gorzelak, Mariusz A. Salamon, Dawid Trzęsiok, Robert Niedźwiedzki

(A) Brachiopod shell (Frenulina sanguinolenta) (GIUS 12-3616/Fs1) after 4 hours of tumbling. (B) Unionidae bivalve shell (GIUS 12-3616/U1) after 1 hour of tumbling. (C–D) Gastropod shells (Nassarius sp.) (GIUS 12-3616/N1-2) after 2 hours of tumbling. (E–F) Close up of hole margins in Nassarius sp.

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