Developmental origin underlies evolutionary rate variation across the placental skull
In: ISSN: 0962-8436 ; EISSN: 1471-2970, 2023
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International audience ; The placental skull has evolved into myriad forms, from longirostrine whales to globular primates, and with a diverse array of appendages from antlers to tusks. This disparity has recently been studied from the perspective of the whole skull, but the skull is composed of numerous elements that have distinct developmental origins and varied functions. Here, we assess the evolution of the skull's major skeletal elements, decomposed into 17 individual regions. Using a high-dimensional morphometric approach for a dataset of 322 living and extinct eutherians (placental mammals and their stem relatives), we quantify patterns of variation and estimate phylogenetic, allometric and ecological signal across the skull. We further compare rates of evolution across ecological categories and ordinal-level clades and reconstruct rates of evolution along lineages and through time to assess whether developmental origin or function discriminate the evolutionary trajectories of individual cranial elements. Our results demonstrate distinct macroevolutionary patterns across cranial elements that reflect the ecological adaptations of major clades. Elements derived from neural crest show the fastest rates of evolution, but ecological signal is equally pronounced in bones derived from neural crest and paraxial mesoderm, suggesting that developmental origin may influence evolutionary tempo, but not capacity for specialisation. This article is part of the theme issue ‘The mammalian skull: development, structure and function’.
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Developmental origin underlies evolutionary rate variation across the placental skull
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Autor/in / Beteiligte Person: | Goswami, Anjali ; Noirault, Eve ; Coombs, Ellen ; Clavel, Julien ; Fabre, Anne-Claire ; Halliday, Thomas ; Churchill, Morgan ; Curtis, Abigail ; Watanabe, Akinobu ; Simmons, Nancy ; Beatty, Brian ; Geisler, Jonathan ; Fox, David ; Felice, Ryan ; Department of Life Sciences, Natural History Museum, London ; Centre for Biodiversity and Environment Research, Department of Genetics, Evolution and Environment ; University College of London London (UCL) ; Department of Vertebrate Zoology and Department of Paleobiology ; Department of Invertebrate Zoology, U.S. National Museum of Natural History, Smithsonian Institution, USA ; Laboratoire d'Ecologie des Hydrosystèmes Naturels et Anthropisés (LEHNA) ; Université Claude Bernard Lyon 1 (UCBL) ; Université de Lyon-Université de Lyon-École Nationale des Travaux Publics de l'État (ENTPE)-Centre National de la Recherche Scientifique (CNRS) ; Naturhistorisches Museum Bern ; Institute of Ecology and Evolution Bern, Switzerland ; Universität Bern / University of Bern (UNIBE) ; School of Geography, Earth and Environmental Sciences, University of Birmingham ; University of Birmingham Birmingham ; Department of Biology ; University of Wisconsin Oshkosh (UWO) ; Department of Biology, University of Washington, Seattle, Washington ; Department of Anatomy, College of Osteopathic Medicine ; New York Institute of Technology ; Division of Paleontology, and Department of Mammalogy ; Division of Vertebrate Zoology, American Museum of Natural History ; Department of Mammalogy, Division of Vertebrate Zoology ; American Museum of Natural History (AMNH) ; Équipe 6 - Paléontologie, Paléoécologie, Paléobiogéographie, Évolution (P3E) ; Université de Lyon-Université de Lyon-École Nationale des Travaux Publics de l'État (ENTPE)-Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL) ; Department of Earth and Environmental Sciences, University of Minnesota ; Centre for Integrative Anatomy, Department of Cell and Developmental Biology |
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Zeitschrift: | ISSN: 0962-8436 ; EISSN: 1471-2970, 2023 |
Veröffentlichung: | HAL CCSD ; Royal Society, The, 2023 |
Medientyp: | academicJournal |
DOI: | 10.1098/rstb.2022.0083 |
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