Data from: Bite marks and predation of fossil jawless fish during the rise of jawed vertebrates

Emma Randle & Robert S. Sansom
Although modern vertebrate diversity is dominated by jawed vertebrates, early vertebrate assemblages were predominantly comprised of jawless fishes. Hypotheses for this faunal shift and the Devonian decline of jawless vertebrates include predation and competitive replacement. The nature and prevalence of ecological interactions between jawed and jawless vertebrates are highly relevant to both hypotheses, but direct evidence is limited. Here we use the occurrence and distribution of bite mark type traces in fossil jawless armoured heterostracans...
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