This toad was endemic to a small range in the Tilarán Mountain Range

using its strong jaw to crush its food

Longitud hocico-base cola 87 mm

and is known for both its reptilian and avian characteristics

donde se descubrieron los primeros restos fósiles

Xiphactinus audax / Hesperornis yi qui This toad was endemic toXiphactinus 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