 fossils in what's now namibia in africa writing in the journal nature it had sharp fangs and probably used its wide flat head to suck in prey its skull about two feet long and total size larger than a human the area where the fossils were found was once covered with glaciers and ice which means four-legged prehistoric creatures may have thrived in colder climates earlier than scientists expected prompting more questions about how and when they took over the earth and lisa brady this is fox news