bird-mammal common ancestor
mwspitze at uci.edu
Mon Sep 12 21:33:10 EST 1994
In article <mturner.279.00120319 at acpub.duke.edu>, mturner at acpub.duke.edu
(mel turner) wrote:
> Well, many fossil skulls give endocasts that do say something useful about
> brain structure. I think quite a bit is known about the brains of several
> fossil groups.
True, but in this case one would need to know details of cytoarchitecture
and neuronal projections
> A better answer is to use the related-outgroup comparison method:
> basic logic: those characteristics found in some members of a variable group
> that are also found in related outgroups are the primitive conditions for
> the variable group).
Thank you. I think this is the answer I was looking for.
More information about the Bioforum