jueves, 11 de febrero de 2010

Mass extinctions: 'Giant' fossils are revolutionizing current thinking

ScienceDaily (2010-02-11) -- Large-sized gastropods dating from only 1 million years after the greatest mass extinction of all time, the Permian-Triassic extinction, have been discovered by an international team of researchers. These specimens call into question the existence of a "Lilliput effect", the reduction in the size of organisms inhabiting postcrisis biota, normally spanning several million years.

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