Slowly, over more than a century & a quarter, the history of Permian terrestrial vertebrates has been pieced together by discovery & study of fossil-bearing strata in all of the continents except Australia & Antarctica. The decade of the 1950s has been exciting from the standpoint of new discoveries both in North America & abroad. New finds have gone far toward bridging the gaps between the lower & upper Permian & have presented new & quite revolutionary...
Related Subjects
Nature