Data from: Large-bodied sabre-toothed anchovies reveal unanticipated ecological diversity in early Palaeogene teleosts

Alessio Capobianco, Hermione Beckett, Etienne Steurbaut, Philip Gingerich, Giorgio Carnevale & Matthew Friedman
Many modern groups of marine fishes first appear in the fossil record during the early Palaeogene (66–40 million years ago), including iconic predatory lineages of spiny-rayed fishes that appear to have originated in response to ecological roles left empty after the Cretaceous/Palaeogene extinction. The hypothesis of extinction-mediated ecological release likewise predicts that other fish groups have adopted novel predatory ecologies. Here we report remarkable trophic innovation in early Palaeogene clupeiforms (herrings and allies), a group...
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