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Re: Unidirectional gator breathing in Science

On Sat, 16 Jan 2010, Augusto Haro wrote:

Regarding the amphibious lifestyle hypothesis for sauropods: how many
profound, wide rivers or lakes would be needed in a given area to
support viable population numbers of different sauropod species? Not

Hmmm. Interesting question (to me at least)

saying it could be not, an perhaps this can help explaining the low
sauropod diversity of Cretaceous small continental masses.