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Re: eumaniraptoran systematics (was Re: Revising Hou et al, 96 (very very lon...



--- NJPharris@aol.com wrote:
> In a message dated 4/29/02 1:46:46 PM Eastern Daylight Time, 
> mightyodinn@yahoo.com writes:
> 
> > Now that troodontids do seem to be deinonychosaurs (thanks to _Sinovenator
> >  changii_), 
> 
> [wince] Better get used to _changiae_.

I thought the current ICZN rules didn't mandate changing misgendered names
(wince-some as they may be).

> >  _Troodontidae_ [Gilmore 1924] Sereno 1998 (emended for PhyloCode) =
> >  Clade(_Troodon mongoliensis_ <-- _Dromaeosaurus albertensis_) 
> 
> I'd be much more comfortable with a few more exclusive anchors.

Oh, I completely agree; I'm just following my (possibly wrong) memory of
Sereno's definition.

I could see adding _Vultur_, _Oviraptor_, _Ornithomimus_ and maybe
_Alvarezsaurus_ as exclusive anchors, too.
 
> >  No name for Clade(_Troodon mongoliensis_ + _Dromaeosaurus
> >  albertensis_). Of course, since there aren't any known members of
> >  _Deinonychosauria_ which are not thought to be in this node-based clade,
> 
> Is it possible that _Microraptor_ is one?

Yeah; I should have said that no known deinonychosaurs are widely agreed to be
outside Clade(_Troodon formosus_ [not _mongoliensis_] + _Dromaeosaurus
albertensis_).
 
> Or we could fix that problem by designating a new type for _T. formosus_ (one
> of my favorite names)...

Well, _Stenonychosaurus inequalis_ was one of my favorite names as a kid, so 
:P


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