[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: Dinosauricon Phylogeny: complete



David Marjanovic wrote-

> > > > - maxillary fenestra present (P)
> > >
> > > Unknown in *Iberomesornis*... and *I.* appears to be crucial for
keeping
> > > *P.* and *L.* in Enantiornithes, because it's always more basal when
> > > there's any structure in that part of the tree.
> >
> > No reason not to include the character.
>
> My point is that it won't resolve that part of the tree.

Why not?  If a character suggests (Proto (Gobi, Hesper), that topology will
be better supported than otherwise, regardless of where Iberomesornis goes.

> > Iberomesornis has such a narrow process,
>
> In lateral view!

Perhaps.

> > Uh, of course they have an acrocoracoid.  It's just a modified coracoid
> > tubercle.  Most ornithothoracines have one.
>
> I mean one that's so big that it contacts the furcula, forming the
triosseal
> canal. Do they have that?

Sure.  See Chiappe and Walker (2002; pg. 250-251).

Mickey Mortimer