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September 10, 2025Current BiologyOpen Access

Carnivorous dinosaur lineages adopt different skull performances at gigantic size

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Authors

ARAndre J RoweEREmily J. Rayfield

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Overview

Analysis reveals distinct skull strategies between giant theropod lineages, indicating unique ecological adaptations.

Key Points

  • Theropods adopt two functional strategies with increasing size, emphasizing either reduced stress or elevated bite force.
  • Giant tyrannosaurids maximize bite force despite increased skull stress, reflecting a high-risk feeding strategy.
  • 3D finite element analysis evaluated skull performance and mechanical stress across large theropods.
  • This study highlights a significant shift in mega-carnivore evolution during the Late Cretaceous period.

Cite This Study

Rowe et al. (2025) studied this question.

synapsesocial.com/papers/68c1afcd54b1d3bfb60e7eb9https://doi.org/10.1016/j.cub.2025.06.051
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