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A call to the custodians of deep time

Palaeontologists must model the causes of biodiversity rather than simply cataloguing fossils, says Douglas Erwin, as they curate the only record of ecosystems undamaged by humans.

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See Editorial, page 251 , biodiversity special at and palaeontology podcast at

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Erwin, D. A call to the custodians of deep time. Nature 462, 282–283 (2009).

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