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Re: PAPER REQUEST - Turtles are parareptiles, and Eunotosaurus is their sister



Paper received. 

Thanks,

Jason

--- On Wed, 6/9/10, Jura <pristichampsus@yahoo.com> wrote:

> From: Jura <pristichampsus@yahoo.com>
> Subject: PAPER REQUEST - Turtles are parareptiles, and Eunotosaurus is their 
> sister
> To: dinosaur@usc.edu
> Date: Wednesday, June 9, 2010, 11:31 AM
> Could anyone whose university is not
> blocked by an embargo, pass this paper along to me.
> 
> Thanks,
> 
> Jason
> 
> 
> --- On Wed, 6/9/10, Thomas R. Holtz, Jr. <tholtz@umd.edu>
> wrote:
> 
> > From: Thomas R. Holtz, Jr. <tholtz@umd.edu>
> > Subject: Turtles are parareptiles, and Eunotosaurus is
> their sister
> > To: dinosaur@usc.edu
> > Date: Wednesday, June 9, 2010, 9:22 AM
> > http://rsbl.royalsocietypublishing.org/content/early/2010/06/03/rsbl.2010.03
> > 71.full
> > 
> > Lyson, T.R., G.S. Bever, B.S. Bhullar, W.G. Joyce
> &
> > J.A. Gauthier. In press.
> > Transitional fossils and the origin of turtles. Biol.
> > Lett.   published
> > online before print June 9, 2010,
> > doi:10.1098/rsbl.2010.0371
> > 
> > Abstract
> > 
> > The origin of turtles is one of the most contentious
> issues
> > in systematics
> > with three currently viable hypotheses: turtles as
> the
> > extant sister to (i)
> > the crocodile-bird clade, (ii) the lizard-tuatara
> clade, or
> > (iii) Diapsida
> > (a clade composed of (i) and (ii)). We reanalysed a
> recent
> > dataset that
> > allied turtles with the lizard-tuatara clade and found
> that
> > the inclusion of
> > the stem turtle Proganochelys quenstedti and the
> > 'parareptile' Eunotosaurus
> > africanus results in a single overriding
> morphological
> > signal, with turtles
> > outside Diapsida. This result reflects the importance
> of
> > transitional
> > fossils when long branches separate crown clades, and
> > highlights unexplored
> > issues such as the role of topological congruence
> when
> > using fossils to
> > calibrate molecular clocks. 
> > 
> > Thomas R. Holtz, Jr.
> > Email: tholtz@umd.edu   
> > Phone: 301-405-4084 
> > begin_of_the_skype_highlighting              301-405-4084      e
_of_the_skype_highlighting 
begin_of_the_skype_highlighting              301-405-4084      end_of_the_skype_highlighting
>
> > Office: Centreville 1216   
> >         
> > Senior Lecturer, Vertebrate Paleontology
> > Dept. of Geology, University of Maryland
> > http://www.geol.umd.edu/~tholtz/
> > Fax: 301-314-9661        
> > 
> > Faculty Director, Science & Global Change
> Program,
> > College Park Scholars
> > http://www.geol.umd.edu/sgc
> > Fax: 301-314-9843
> > 
> > Mailing Address:    Thomas R. Holtz, Jr.
> >            
>       
> > Building 237, Room 1117
> >            
> > University of Maryland
> >            
> > College Park, MD 20742 USA
> > 
> > 
> 
> 
>       
>