Subfamily †Tethysaurinae Rank Genus | Class Reptilia Family †Mosasauridae Phylum Chordata Order Scaled reptiles | |
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Pannoniasaurus is an extinct genus of tethysaurine mosasauroid known from the Late Cretaceous Csehbánya Formation (Santonian stage) of Hungary. It contains a single species, Pannoniasaurus inexpectatus, dubbed "unexpected" because it was discovered in freshwater sediments, unlike other mosasaurs, which were marine predators. It was a medium sized mosasaur, reaching up to 6 m (20 ft).
References
Pannoniasaurus Wikipedia(Text) CC BY-SA