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Swiss Journal of Palaeontology
Fig. 90 | Swiss Journal of Palaeontology

Fig. 90

From: Taxonomic revision of the snakes of the genera Palaeopython and Paleryx (Serpentes, Constrictores) from the Paleogene of Europe

Fig. 90

Vaulting ratio in anterior, mid- and posterior trunk vertebrae in the YPM sample of Phosphoroboa filholii comb. nov. compared to same ratio in type material of various Paleogene constrictors from Europe. Two types are plotted for Paleryx depressus (junior synonym of Paleryx rhombifer) because one vertebra is close to the mid-/posterior trunk boundary, and moving it to the one or the other column would be misleading

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