or even as a mechanism to absorb heat from the sun

donde se descubrieron los primeros restos fósiles

and is known for both its reptilian and avian characteristics

en comparación con los terópodos posteriores

using its strong jaw to crush its food

Xiphactinus audax / Hesperornis yi qui or even as a mechanismXiphactinus audax was a prehistoric carnivorous fish that lived during the Cretaceous period, approximately 85 million years ago. Known for its imposing size and ferocity, Xiphactinus was one of the largest marine predators of its time, reaching lengths of up to 5. 5 meters. Its fusiform and streamlined body, along with its large jaws full of sharp teeth, made it a formidable hunter in the warm, shallow seas it dominated. Its diet consisted mainly of