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Re: Sobral and Langer 2008 (was pteros have lift-off)

Quoting David Peters <davidpeters@att.net>:

> On Jan 22, 2009, at 6:40 PM, Tim Williams wrote:
> > David Peters wrote:
> >> No taxon appears suddenly in the fossil record!
> >
> >
> > Sure they do.  It happens all the time.  How many basal bats  
> > (chiropterans) do we know of, for example?
> We know of several basal bats. I'm sure you're asking, what came  
> before them? I've done the comparative studies, so I know the best  
> candidates in bats and pterosaurs, which I've mentioned before on the  
> list and elsewhere. 

Can you provide some references to your published articles? I'd be interested 
to read them.

> As in any taxa, when you include the right  
> candidates, the mystery becomes less of a mystery.

How do you determine the 'right' candidates to include in the first place?


Dann Pigdon
GIS / Archaeologist              http://geo_cities.com/dannsdinosaurs
Melbourne, Australia             http://heretichides.soffiles.com