Re: New alvarezsaurid

["Matthew Troutman" <m_troutman@hotmail.com>]

><< Lacking many, many, many, many, many, many, avain characters 
> excludes them from Aves. >>
>
>No--exclusion from Aves follows only when you can demonstrate that a 
species
>is not descended from the common ancestor of Aves. One can imagine an 
avian
>that has secondarily lost many, many, many, many, many avian characters 
but is
>still an avian by descent.
>

 I agree with your statement, but there are no cases in Aves where a 
species or family has secondarily lost many, many, many, many, many, 
many, deived characteristics. If you can give me a proven case I will 
stand corrected. 

MattTroutman

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