Overlap-Disjunction Analysis Geophylogeny

In overlap-disjunction analysis tree nodes are placed at the centroid of the region of disjunction or overlap between sister clade ranges.

An ODA geophylogeny ofthe Goodeidae is displayed against four palaeohydrological models for Central Mexico. Five clades are identified by colour and observations treated as polytomies of their first internal node. The direction circle has a radius of 100km. Box divisions are every 5 million years from present (bottom).