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Data from: Walk the line: 600,000 years of molar evolution constrained by allometry in the fossil rodent Mimomys savini

  • Identification data

    Identifier: PC:4011
    Handle: https://hdl.handle.net/20.500.11797/PC4011
    Authors:
    Agustí, Jordi
    Abstract:
    The allometric-constraint hypothesis states that evolutionary divergence of morphological traits is restricted by integrated growth regulation. In this study, we test this hypothesis on a time-calibrated and well-documented palaeontological sequence of dental measurements on the Pleistocene arvicoline rodent species Mimomys savini from the Iberian Peninsula. Based on 507 specimens representing nine populations regularly spaced over 600 000 years, we compare static (within-population) and evolutionary (among-population) allometric slopes between the width and the length of the first lower molar. We find that the static allometric slope remains evolutionary stable and predicts the evolutionary allometry quite well. These results support the hypothesis that the macroevolutionary divergence of molar traits is constrained by static allometric relationships.

  • Others:

    Subject matter: Biologia
    Access rights: info:eu-repo/semantics/openAccess
    Researcher identifier: 0000-0002-7240-1992
    Published by (editorial): Universitat Rovira i Virgili (URV)
    Related publications: Firmat, C., Lozano-Fernández, I., Agustí, J., Bolstad, G. H., Cuenca-Bescós, G., Hansen, T. F., & Pélabon, C. (2014). Walk the line: 600000 years of molar evolution constrained by allometry in the fossil rodent Mimomys savini. Philosophical Transactions of the Royal Society B: Biological Sciences, 369(1649), 20140057. https://doi.org/10.1098/rstb.2014.0057
    Abstract: The allometric-constraint hypothesis states that evolutionary divergence of morphological traits is restricted by integrated growth regulation. In this study, we test this hypothesis on a time-calibrated and well-documented palaeontological sequence of dental measurements on the Pleistocene arvicoline rodent species Mimomys savini from the Iberian Peninsula. Based on 507 specimens representing nine populations regularly spaced over 600 000 years, we compare static (within-population) and evolutionary (among-population) allometric slopes between the width and the length of the first lower molar. We find that the static allometric slope remains evolutionary stable and predicts the evolutionary allometry quite well. These results support the hypothesis that the macroevolutionary divergence of molar traits is constrained by static allometric relationships.
    Departament: Història i Història de l'Art
    DOI: 10.5061/dryad.mg0v4
    Document type: info:eu-repo/semantics/other
    Related publication's DOI: 10.1098/rstb.2014.0057
    Repository ingest date: 2015-05-05
    Author: Agustí, Jordi
    Keywords: "Arvicolinae, Cosomys primus, dental morphology, Evolutionary Constraint, Evolutionary trend, Huxley’s model, lower first molar m1 allometry, Lower Pleistocene, Mammalia, Middle-Upper Pleistocene, Mimomys savini, Rodentia, Scaling relationship "
    Dataset publication year: 2015
    Dataset title: Data from: Walk the line: 600,000 years of molar evolution constrained by allometry in the fossil rodent Mimomys savini

  • Keywords:

    Biologia
    "Arvicolinae, Cosomys primus, dental morphology, Evolutionary Constraint, Evolutionary trend, Huxley’s model, lower first molar m1 allometry, Lower Pleistocene, Mammalia, Middle-Upper Pleistocene, Mimomys savini, Rodentia, Scaling relationship "

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