we can imagine what these ancient creatures were like and how they interacted in their natural environments

found in 1995

snout-tail length 160 mm

the presence of Australodelphis in Antarctic latitudes suggests that toothed whales had already colonized cold-water habitats long before the consolidation of modern ice caps

Arctodus simus Arctodus we can imagine what theseArctodus 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