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Exceptional brain and ecological diversity in the earliest snakes

Research Evolutionary Biology

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TL;DR - A well-preserved Late Cretaceous fossil snake from Brazil reveals that early snakes already exhibited substantial ecological and brain-shape diversity, informing their evolutionary history.

  • The specimen dates to the Late Cretaceous.
  • Its preservation enables analysis of early snake brain morphology.
  • The fossil indicates early ecological disparity within snakes.
  • Further technical findings cannot be inferred from the brief description provided.

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Exceptional brain and ecological diversity in the earliest snakes

Nature Tiago R. Simões, Gabriela Sobral, Simone Macrì, Roy Ebel, Thiago S. Fachini, Agustín G. Martinelli, William R. Nava, Giovanna M. X. Paixão, Luis M. Chiappe, Nicolas Di-Poï, Annie S. Hsiou 2026-07-22 doi:10.1038/s41586-026-10809-9
Public signals OpenAlex citations 1
Providers: Hugging Face · N/A OpenAlex · Citations 1 Publisher · N/A Semantic Scholar · N/A X · N/A Fetched 2026-08-21 14:37:56.890298 UTC

TL;DR - A well-preserved Late Cretaceous fossil snake from Brazil reveals that early snakes already exhibited substantial ecological and brain-shape diversity, informing their evolutionary history.

  • The specimen dates to the Late Cretaceous.
  • Its preservation enables analysis of early snake brain morphology.
  • The fossil indicates early ecological disparity within snakes.
  • Further technical findings cannot be inferred from the brief description provided.
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