Fossilized Ichthyosaur, Mesozoic reptile

Numéro d’image : 13502204
Fossilized Ichthyosaur, Mesozoic reptile
Ichthyosaurs were giant marine reptiles that resembled dolphins in a classic example of convergent evolution. During the middle Triassic Period, they evolved from as yet unidentified land reptiles that moved back into the water, in a development parallel to that of the ancestors of modern-day dolphins and whales. They averaged 7-13 feet in length, with a porpoise-like head and a long, toothed snout. It has been estimated that ichthyosaurs could swim at speeds up to 25 mph. The larger species had heavy jaws and teeth that indicated they fed on smaller reptiles. Although ichthyosaurs looked like fish, they were not.
Licence : Droits gérés
Crédit: Science Photo Library / Science Source
Taille de l’image : 5649 px × 3150 px
Model Release : Non requis
Property Release : Non requis
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