Choice of 3D morphometric method leads to diverging interpretations of form-function relationships in the carnivoran calcaneus

Alexa Wimberly, Rossy Natale, Robert Higgins & Graham Slater
Three dimensional morphometric methods are a powerful tool for comparative analysis of shape. However, morphological shape is often represented using landmarks selected by the user to describe features of perceived importance, and this may lead to over confident prediction of form-function relationships in subsequent analyses. We used Generalized Procrustes Analysis (GPA) of 13 homologous 3D landmarks and spherical harmonics (SPHARM) analysis, a homology-free method that describes the entire shape of a closed surface, to quantify...
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