Extinction how life on earth nearly ended 250 million years ago

Extinction how life on earth nearly ended 250 million years ago

Bibliographic Details
Main Author: Erwin, Douglas H. 1958- (Author)
Format: Book
Language:English
Published: Princeton, New Jersey Princeton University Press ©2006.
Subjects:
Extinction (Biology) > History.
Catastrophes (Geology)
Geology, Stratigraphic > Permian.
Paleontology, Stratigraphic.