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From the same journal

Digging adaptation in insectivorous subterranean eutherians. The enigma of Mesoscalops montanensis unveiled by geometric morphometrics and finite element analysis

Research output: Contribution to journalArticlepeer-review

Published copy (DOI)


  • Paolo Piras
  • Gabriele Sansalone
  • Luciano Teresi
  • Marco Moscato
  • Antonio Profico
  • Ronald Eng
  • Timothy C. Cox
  • Anna Loy
  • Paolo Colangelo
  • Tassos Kotsakis


Publication details

JournalJournal of morphology
DatePublished - 9 Sep 2015
Issue number10
Number of pages15
Pages (from-to)1157-1171
Original languageEnglish


The enigmatic Early Miocene fossorial mammal Mesoscalops montanensis shows one of the most modified humeri among terrestrial mammals. It has been suggested, on qualitative considerations, that this species has no extant homologues for humerus kinematics and that, functionally, the closest extant group is represented by Chrysochloridae. We combine here three dimensional geometric morphometrics, finite element analysis and phylogenetic comparative methods to explore the shape and mechanical stress states of Mesoscalops montanensis as well as of extant and extinct Talpidae and Chrysochloridae under realistic digging simulations. Evolutionary convergence analyses reveal that the shape of Mesoscalops montanensis represents a unique morphology in the context of fossorial mammals and that its functional performance, albeit superficially similar to that of extant Chrysochloridae, still represents a nonconvergent optimum for adaptation to digging.

    Research areas

  • Biomechanical simulation, Chrysochloridae, Comparative methods, Functional morphology, Proscalopidae, Talpidae

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