Regression model of eye diameter with different predictor variables when controlling for phylogeny (PGLS).

The results are presented for one of the ten randomly selected polytomy resolved phylogenies for the two different phylogenies. Standard length was added as a covariate in the models. n = sample size, λ = phylogenetic scaling parameter, the superscript * after the parameter λ indicates whether the parameter was significantly different from 0 (first position) and from 1 (second position) in the likelihood tests, β = partial regression slope. The significance levels are shown in bold.