RE: Peering at review

["Williams, Tim" <TiJaWi@agron.iastate.edu>]

Tracy Ford wrote:

> > No. There are not dozens of species of hoatzin, for example, and 
> >finding a fossil *Opisthocomus* would mean you found a fossil of _an_ 
> >*Opisthocomus;* it is illogical to presume a greater positive value of 
> > forms on such data.<<
>
> So, different animals, different diversities, different living habitats.
> It's like apples and oranges.

I think that was Jaime's point.  Archaeopterygids may never have been
diverse or common.  Comparing them to speciose clades of modern finches is
indeed comparing apples and oranges.



Tim