Table 3 Pairwise p values (uncorrected significance) of one-way PERMANOVAs of the mechanical advantage values of the masseter (MAM) and temporalis (MAT) obtained in this study on extant taxa of known dietary preferences only (permutation N = 9999).

From: Jaw shape and mechanical advantage are indicative of diet in Mesozoic mammals

Measured at jaw tip

Measured at m1

 

MAM

 

MAM

F = 6.664

IN

HR

OM

CA

F = 6.813

IN

HR

OM

CA

IN

    

IN

    

HR

0.001

   

HR

0.0011

   

OM

0.0295

0.04

  

OM

0.0008

0.189

  

CA

0.7612

0.0006

0.0309

 

CA

0.0603

0.0093

0.0817

 

F = 3.314

MAT

F = 3.817

MAT

IN

    

IN

    

HR

0.0045

   

HR

0.0197

   

OM

0.2725

0.0847

  

OM

0.1682

0.3622

  

CA

0.0048

0.4721

0.1139

 

CA

0.0022

0.3922

0.0376

 
  1. Outlevers for mechanical advantage calculations measured at the jaw tip (left) and first lower molar (m1, right). Significant p values (<0.05) in bold letters. n = 8 herbivores, 16 carnivores, 13 insectivores, 33 omnivores.
  2. IN insectivore, HR herbivore, OM omnivore, CA carnivore.
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