Drill Holes and Predation Traces versus Abrasion-Induced Artifacts Revealed by Tumbling Experiments

• Przemysław Gorzelak ,

  * E-mail: pgorzelak@twarda.pan.pl

  Affiliation Department of Biogeology, Institute of Paleobiology, Polish Academy of Sciences, Warsaw, Poland

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• Mariusz A. Salamon,

  Affiliation Department of Palaeontology and Biostratigraphy, Faculty of Earth Sciences, University of Silesia, Sosnowiec, Poland

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• Dawid Trzęsiok,

  Affiliation Department of Palaeontology and Biostratigraphy, Faculty of Earth Sciences, University of Silesia, Sosnowiec, Poland

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• Robert Niedźwiedzki

  Affiliation Institute of Geological Sciences, Wrocław University, Wrocław, Poland

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