Lengths of ontogenetic trajectories. (A) Neurocranium, (B) «suspensorium and opercle» unit, (C) mandible and (D) premaxilla. Length of the trajectories in units of Procrustes distance for each skeletal unit (Mean with 95% CI). Confidence limits are obtained by bootstrapping procedure (N = 400). The diet of each species is illustrated by patterned bars. See Table 1 for abbreviations of the species.
Frédérich and Vandewalle BMC Evolutionary Biology 2011 11:82 doi:10.1186/1471-2148-11-82