Re: Fossil Records Show Biodiversity Comes and Goes

From: John Harshman (jharshman.diespamdie_at_pacbell.net)
Date: 03/17/05 

Date: Thu, 17 Mar 2005 20:43:55 GMT

George wrote:

> "John Harshman" <jharshman.diespamdie@pacbell.net> wrote in message
> news:mvh_d.19664$Pz7.10093@newssvr13.news.prodigy.com...
>
>>George wrote:
>>
>>
>>>"darthpup" <amchitka@mailexcite.com> wrote in message
>>>news:1111068702.868751.160260@z14g2000cwz.googlegroups.com...
>>>
>>>
>>>>SJ Gould published a paper in Science in the early seventies after an
>>>>exhaustive inventory of all collected fossils and showed that diversity
>>>>is in fact random and not controlled by any correlative factor.
>>>
>>>
>>>I seem to recall something about this. Do you have a link to this paper?
>>>
>>
>>I swear he's referring to Gould's entirely data-free simulations of
>>clade shape evolution. But we'll see.
>
>
> Oh God. Not that one.
>
Actually, that paper is relevant to your claim to find some particular
pattern, which implies some kind of mechanism. Gould showed in that
paper that such patterns would appear with reasonable frequency even if
speciation and extinction were entirely stochastic.

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