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Re: smallest ANCIENT non-bird dinosaur - was what I was asking



On Fri, May 2, 2008 at 10:38 PM, David Marjanovic
<david.marjanovic@gmx.at> wrote:
>
> >
> > >  What difference does "stem-" make?
> > >
> >
> > A stem-X is not an X. But is more closely related to X than to
> > anything else alive.
> >
>
>  I'd interpret it the other way around: a stem-X _is_ an X, it's just not
> part of the crown-group _of_ X. The trunk is part of a tree...

How far would you carry this? Is _Sphenacodon_ a mammal?

(Now I *do* think of _Pakicetus_ as a "whale". That's how I've mostly
seen it refered to. )

-- 
Andreas Johansson

Why can't you be a non-conformist just like everybody else?