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Re: New alvarezsaurid

In a message dated 98-03-26 21:41:19 EST, m_troutman@hotmail.com writes:

<< 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.