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Table 1 Results of SURFACE analysis of 48 toothed whale species cochlear shapes

From: Convergent evolution in toothed whale cochleae

 

Multipeak OU

OU1

BM

Model outputs

Value

Value

Value

 AICc

− 366

− 313

− 174

 Phenotypic regimes

5

1

 Phenotypic regime shifts

8

1

 Convergent phenotypic regimes

3

 Convergent phenotypic regime shifts

6

 Convergence fraction

0.75

Parameters

PC1

PC2

PC1

PC2

PC1

PC2

 α

0.433

3.055

0.013

0.161

 t1/2

1.560

0.227

53.915

4.294

 σ2

0.001

0.005

0.000

0.001

0.000

0.000

 θa

0.064

0.055

−0.032

0.003

 θb

0.098

0.171

 θc

−0.126

− 0.011

 θe

−0.079

0.134

 θh

0.021

−0.015

  1. Models were fitted to the cochlear shape described by principal component (PC) 1 and PC2. Multipeak Ornstein Uhlenbeck (OU): convergent OU model fitted by backward phase of SURFACE; OU1: single peak OU model; BM: Brownian motion model