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California's Sharks — Past and Present

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Uploaded on Apr 24, 2008

California has an incredibly diverse shark fauna, representing a combination of ancient taxa and recently-evolved species. This state has perhaps the most complete and continuous fossil record of sharks anywhere in the world. Douglas Long of California Academy of Sciences explains how the present-day shark fauna formed, by looking at both the fossil record and major changes in climate and geography, and how several species co-evolved with other marine organisms. Series: "Uniqueness of California" [9/2005] [Science] [Show ID: 9524]

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