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Ruminant inner ear shape records 35 million years of neutral evolution

Author

Listed:
  • Bastien Mennecart

    (Naturhistorisches Museum Basel)

  • Laura Dziomber

    (University of Bern
    University of Bern)

  • Manuela Aiglstorfer

    (Naturhistorisches Museum Mainz / Landessammlung für Naturkunde Rheinland-Pfalz)

  • Faysal Bibi

    (Leibniz Institute for Evolution and Biodiversity Science)

  • Daniel DeMiguel

    (Fundación ARAID
    Área de Paleontología / Instituto Universitario de Investigación en Ciencias Ambientales de Aragón (IUCA). Universidad de Zaragoza
    Universitat Autònoma de Barcelona)

  • Masaki Fujita

    (National Museum of Nature and Science)

  • Mugino O. Kubo

    (The University of Tokyo)

  • Flavie Laurens

    (Swiss National Data and Service Center for the Humanities)

  • Jin Meng

    (City University of New York)

  • Grégoire Métais

    (Sorbonne Université. Muséum national d’Histoire naturelle)

  • Bert Müller

    (University of Basel)

  • María Ríos

    (Universidade NOVA de Lisboa, Campus de Caparica)

  • Gertrud E. Rössner

    (Staatliche Naturwissenschaftliche Sammlungen Bayerns - Bayerische Staatssammlung für Paläontologie und Geologie
    Ludwig-Maximilians-Universität München)

  • Israel M. Sánchez

    (Universitat Autònoma de Barcelona)

  • Georg Schulz

    (University of Basel
    University of Basel Gewerbestrasse 14)

  • Shiqi Wang

    (Chinese Academy of Sciences)

  • Loïc Costeur

    (Naturhistorisches Museum Basel)

Abstract

Extrinsic and intrinsic factors impact diversity. On deep-time scales, the extrinsic impact of climate and geology are crucial, but poorly understood. Here, we use the inner ear morphology of ruminant artiodactyls to test for a deep-time correlation between a low adaptive anatomical structure and both extrinsic and intrinsic variables. We apply geometric morphometric analyses in a phylogenetic frame to X-ray computed tomographic data from 191 ruminant species. Contrasting results across ruminant clades show that neutral evolutionary processes over time may strongly influence the evolution of inner ear morphology. Extant, ecologically diversified clades increase their evolutionary rate with decreasing Cenozoic global temperatures. Evolutionary rate peaks with the colonization of new continents. Simultaneously, ecologically restricted clades show declining or unchanged rates. These results suggest that both climate and paleogeography produced heterogeneous environments, which likely facilitated Cervidae and Bovidae diversification and exemplifies the effect of extrinsic and intrinsic factors on evolution in ruminants.

Suggested Citation

  • Bastien Mennecart & Laura Dziomber & Manuela Aiglstorfer & Faysal Bibi & Daniel DeMiguel & Masaki Fujita & Mugino O. Kubo & Flavie Laurens & Jin Meng & Grégoire Métais & Bert Müller & María Ríos & Ger, 2022. "Ruminant inner ear shape records 35 million years of neutral evolution," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-34656-0
    DOI: 10.1038/s41467-022-34656-0
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