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Re: What is big, fluffy, and could tear you to shreds? Yutyrannus, the 9 m long feathered tyrannosauroid from China



I am trying very hard to give a fellow ornithologist, who has done good work in 
the past, the benefit of the doubt. 

Ronald Orenstein 
1825 Shady Creek Court
Mississauga, ON
Canada L5L 3W2

On 2012-04-04, at 10:48 PM, "Thomas R. Holtz, Jr." <tholtz@umd.edu> wrote:

>> From: Dr Ronald Orenstein [mailto:ron.orenstein@rogers.com] 
>> 
> [snip]
> 
>> However, try as I might I could not find any discussion of 
>> which maniraptorid features are convergent and why, or which 
>> anatomical features contradict the idea that maniraptorids 
>> are in fact true dinosaurs. Did I miss it?
> 
> No.
> 
>> Or has Feduccia 
>> really put forward this idea with no supporting anatomical evidence?
> 
> Yes.
> 
> You write this as if this were a surprise.
> 
> 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, Science & Global Change Program, College Park Scholars
> http://www.geol.umd.edu/sgc
> Fax: 301-314-9843
> 
> Mailing Address:    Thomas R. Holtz, Jr.
>            Department of Geology
>            Building 237, Room 1117
>            University of Maryland
>            College Park, MD 20742 USA 
>