Hungarobatrachus szukacsi

This frog is the oldest known species of true frogs (Neobatrachia) in Europe. It is characterized by a strongly ossified, extremely high iliac crest and the ossification of the hip bones. The extremely high iliac crest combined with a thin ilioischiadic junction suggests that the ancestor of Hungarobatrachus was a terrestrial form that could jump well, while the tight joint between the hip bones is the result of a secondary mode of adaptation to aquatic life. Hungarobatrachus was a frog able to jump and swim excellently, combining the good jumping skills of today’s green frogs (Ranidae) and the good swimming abilities of clawed frogs (Pipidae).

Figure 1. Pelvic bones of Hungarobatrachus szukacsi
Figure 1. Pelvic bones of Hungarobatrachus szukacsi

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