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The macroevolutionary singularity of snakes

  • Pascal O. Title
  • , Sonal Singhal
  • , Michael C. Grundler
  • , Gabriel C. Costa
  • , R. Alexander Pyron
  • , Timothy J. Colston
  • , Maggie R. Grundler
  • , Ivan Prates
  • , Natasha Stepanova
  • , Marc E.H. Jones
  • , Lucas B.Q. Cavalcanti
  • , Guarino R. Colli
  • , Nicolas Di-Poï
  • , Stephen C. Donnellan
  • , Craig Moritz
  • , Daniel O. Mesquita
  • , Eric R. Pianka
  • , Stephen A. Smith
  • , Laurie J. Vitt
  • , Daniel L. Rabosky
  • University of Michigan, Ann Arbor
  • California State University Dominguez Hills
  • Auburn University
  • George Washington University
  • Smithsonian Institution
  • University of Puerto Rico
  • University of California at Berkeley
  • The Natural History Museum, London
  • University College London
  • Adelaide University
  • Universidade Federal da Paraíba
  • Universidade de Brasília
  • University of Helsinki
  • South Australian Museum
  • Australian National University
  • University of Texas at Austin
  • University of Oklahoma

Research output: Contribution to journalArticlepeer-review

71 Scopus citations

Abstract

Snakes and lizards (Squamata) represent a third of terrestrial vertebrates and exhibit spectacular innovations in locomotion, feeding, and sensory processing. However, the evolutionary drivers of this radiation remain poorly known. We infer potential causes and ultimate consequences of squamate macroevolution by combining individual-based natural history observations (>60,000 animals) with a comprehensive time-calibrated phylogeny that we anchored with genomic data (5400 loci) from 1018 species. Due to shifts in the dynamics of speciation and phenotypic evolution, snakes have transformed the trophic structure of animal communities through the recurrent origin and diversification of specialized predatory strategies. Squamate biodiversity reflects a legacy of singular events that occurred during the early history of snakes and reveals the impact of historical contingency on vertebrate biodiversity.

Original languageEnglish
Pages (from-to)918-923
Number of pages6
JournalScience
Volume383
Issue number6685
DOIs
StatePublished - Feb 23 2024

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