Posted: July 30, 2015
Lecture date: July 9, 2015. Dr. Donald Prothero discussed the current crisis in oceanic diversity and impending crash and extinction in marine life. He compares it to what we know about the greatest mass extinction, which occurred 250 million years ago, when 95 percent of marine species died off.
Prothero is a professor in the department of geological sciences at California Polytechnic University, Pomona, and a research associate in vertebrate paleontology at the Los Angeles County Natural History Museum.
Video Posted: July 30, 2015 | Running time: 48:20
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