books.google.com - The plant fossil record provides evidence that the genus Metasequoia was widely distributed and experienced a wide range of climatic and environmental conditions throughout the Northern Hemisphere from the early Late Cretaceous to the Plio-Pleistocene. Today the genus is limited to one species with approximately...http://books.google.com/books/about/The_Geobiology_and_Ecology_of_Metasequoi.html?id=JfiWU-1GSqEC&utm_source=gb-gplus-shareThe Geobiology and Ecology of Metasequoia