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Table 3 Five best-fit evolutionary models for cranial asymmetry ranked according to the Akaike Information Criteria (AIC)

From: Wonky whales: the evolution of cranial asymmetry in cetaceans

Model

Full landmark data set

No rostrum

Rank

Akaike Information Criteria (AIC)

Rank

Akaike Information Criteria (AIC)

1. ‘OUM-regime’

1

− 448

1

− 498

2. ‘OUM-regime-split’

2

− 445

2

− 496

3. ‘OUM-echo-freq’

3

− 403

3

− 449

4. ‘OUM-ancestral’

4

− 379

4

− 424

5. ‘OUM-echo’

5

− 373

5

− 422

  1. Models are detailed in Table 4—models testing whether changes in cetacean cranial asymmetry are associated with other discrete traits