Paleontology along California's coastline

Paleontology along California's coastline. A) Fieldwork on the coast often involves climbing up ledges to get access to just one more meter of outcrop. B) A fossil tooth of the great white shark, Carcharodon carcharias. C) A freshly collected tympanic bulla of an extinct porpoise (Phocoenidae).

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Taken on August 11, 2005