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Does the shape of forelimb long bones co-vary with grasping behaviour in strepsirrhine primates?


Fabre, Anne-Claire; Peckre, Louise; Pouydebat, Emmanuelle; Wall, Christine E (2019). Does the shape of forelimb long bones co-vary with grasping behaviour in strepsirrhine primates? Biological Journal of the Linnean Society, 127(3):649-660.

Abstract

Fine prehensile activities are often thought to have been associated with the evolution of the human hand. However, there has been no holistic approach establishing the link between the morphology of the forelimb and grasping ability in living primates. The present study investigated the possible relationships between grasping behaviour and the morphology of the forelimb in strepsirrhines in a phylogenetic context. To do so, grasping behaviour during feeding and the shape of the long bones of the forelimb were analysed for 22 species of strepsirrhines. The data obtained show that there is a phylogenetic signal in forelimb morphology in primates in relation to grasping behaviour, but also that there is a marked co-evolution between grasping behaviour and the shape of the humerus and radius. This latter finding suggests a functional association between grasping and forelimb shape, which in turn suggests that bone shape constrains or facilitates behaviour. This result may permit future inferences to be made regarding this behaviour in extinct species and deserves further examination in more detail.

Abstract

Fine prehensile activities are often thought to have been associated with the evolution of the human hand. However, there has been no holistic approach establishing the link between the morphology of the forelimb and grasping ability in living primates. The present study investigated the possible relationships between grasping behaviour and the morphology of the forelimb in strepsirrhines in a phylogenetic context. To do so, grasping behaviour during feeding and the shape of the long bones of the forelimb were analysed for 22 species of strepsirrhines. The data obtained show that there is a phylogenetic signal in forelimb morphology in primates in relation to grasping behaviour, but also that there is a marked co-evolution between grasping behaviour and the shape of the humerus and radius. This latter finding suggests a functional association between grasping and forelimb shape, which in turn suggests that bone shape constrains or facilitates behaviour. This result may permit future inferences to be made regarding this behaviour in extinct species and deserves further examination in more detail.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Paleontological Institute and Museum
Dewey Decimal Classification:560 Fossils & prehistoric life
Scopus Subject Areas:Life Sciences > Ecology, Evolution, Behavior and Systematics
Uncontrolled Keywords:Ecology, Evolution, Behavior and Systematics
Language:English
Date:21 June 2019
Deposited On:11 Nov 2020 17:50
Last Modified:29 Nov 2020 08:48
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:0024-4066
OA Status:Closed
Publisher DOI:https://doi.org/10.1093/biolinnean/bly188
Project Information:
  • : FunderH2020
  • : Grant ID655694
  • : Project TitleGETAGRIP - Evolutionary Trends And GRasping form and function In Primates and other tetrapod lineages

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