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  • Print publication year: 2020
  • Online publication date: February 2020

9 - Allometric and Phylogenetic Diversity in Lorisiform Orbit Orientation

from Part I - Evolution, Morphology and the Fossil Record


There is a rich history of work on paramasticatory and masticatory adaptations underlying phenotypic diversity in the feeding apparatus of lorisiform primates (Dumont, 1997; Nash, 1986a; Ravosa et al., 2010; Vinyard, 2007; Vinyard et al., 2003, 2007; Williams et al., 2002). Related studies have addressed the ontogenetic underpinnings of size-related patterns of craniomandibular covariation in lorisids and galagids, which constitute the two extant families of lorisiforms (Ravosa, 1998, 2007; Ravosa et al., 2010). Despite longstanding interest in the unique circumorbital region of taxa such as the slender loris (Cartmill, 1972), less well known is the role of allometry on variation in the circumorbital form of lorisiform and lemuriform strepsirrhines (Ravosa et al., 2006).

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