Re: New PaleoBios paper - diplodocoid phylogenetic taxonomy

[Jon Barber <augray@sympatico.ca>]

At 08:38 PM 10/4/2005 +0000, Michael Mortimer wrote:
> David Marjanovic wrote-

[snip]

> > > Carinatae,
> >
> > At least two:
> > - Node-based: *Ichthyornis* + Neornithes.
> > - Apomorphy-based: keel on sternum in all members of the population (so
> > *Confuciusornis* is just outside).
>
> Three: (Neornithes <- Hesperornis) (Cracraft, 1986)

What's the reference for the *Ichthyornis* + Neornithes definition?

[snip]