como extremidades bien desarrolladas que podían funcionar tanto como aletas en el agua como patas en la tierra

An interesting aspect of Camptosaurus dispar is that fossils have been found in several locations in North America

One of its most distinctive diagnostic features was its defensive apparatus: the upper tusks

serrated teeth designed to tear flesh

Scientists also believe that they were able to regulate their body temperatures efficiently

Arctodus simus Mammoth como extremidades bien desarrolladas queArctodus simus , commonly known as the short faced bear, was one of the largest terrestrial carnivores of the Pleistocene of North America. This extinct member of the subfamily Tremarctinae inhabited a wide range of ecosystems, from the central plains to the northern forests of the continent, between approximately 800,000 and 11,000 years before present. Its highly specialized morphology has been the subject of intense debate surrounding its trophic