Fig. 46From: Taxonomic revision of the snakes of the genera Palaeopython and Paleryx (Serpentes, Constrictores) from the Paleogene of EuropeRelative zygosphene width in YPM populations of “Palaeopython” neglectus and Phosphoroboa filholii comb. nov. compared to same ratio in type material of various Paleogene constrictors from Europe. There is very little overlap between the two populationsBack to article page