RE: Affinities of Cryolophasaurus

["Thomas R. Holtz, Jr." <tholtz@umd.edu>]

> From: owner-DINOSAUR@usc.edu [mailto:owner-DINOSAUR@usc.edu] 
> On Behalf Of Asher Elbein
> Sent: Thursday, November 20, 2008 9:52 PM
> To: Dinosaur Mailing List
> Subject: Affinities of Cryolophasaurus
> 
> Hi, I'm working on a few restorations of cryolophasaurus and 
> I'm unclear as to what it's taxonomy is. Is it a ceolophysid 
> or basal tetanuran?
> Thanks in advance, Asher
> 

Neither, actually! Recent redescription and reanalysis of the specimen by
Nathan Smith and colleagues place it, Dilophosaurus, "Dilophosaurus"
sinensis, and Dracovenator regenti as a clade intermediate between
Coelophysoidea and the Ceratosauria-Tetanurae group (Averostra).

Thomas R. Holtz, Jr.
Email: tholtz@umd.edu   Phone: 301-405-4084
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, Earth, Life & Time Program, College Park Scholars
http://www.geol.umd.edu/~jmerck/eltsite/
Fax: 301-405-0796

Mailing Address:        Thomas R. Holtz, Jr.
                        Department of Geology
                        Building 237, Room 1117
                        University of Maryland
                        College Park, MD 20742 USA