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Re: Different twist of BCF
From: Gothgrrl@aol.com
> Ronald Orenstein wrote:
>
> > Unless I am much mistaken, birds like Sinornis or even Hesperornis
> > are not considered to be enantiornithine.
>
> -Hesperornis- and -Ichthyornis- are traditionally grouped together in the
> superorder Odontognathae (within the orders Hesperornithiformes and
> Ichthyornithiformes, respectively), and I'm under the impression that the
> Enantiornithiformes has ordinal rank, though its relationship to the
> odontognathids is unclear. Has this changed?
Only slightly. The enanthiornithes are now considered as being a higher
rank than ordinal. Also, most current cladograms show the
hesperonthiforms and relatives clearly outside of the enantiornithines.
[I doubt many peopel would still use "Odontognathae" as the name for
this group, however].
swf@elsegundoca.ncr.com sarima@ix.netcom.com
The peace of God be with you.