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I think the most important takeaway is that we now have a record stretching back 550 million years, demonstrating that animals respond to changing environmental conditions, often resulting in major extinction events, even though the causes of today’s environmental change and responses of animals may be different, the fact that such change in the past has been shown over and over again to lead to major extinction events is a crucial one when considering what actions we should take to mitigate the course of our current human driven climate change.